UFO sightings taken seriously by the US government

Journalist Payne Lindsey examines reports on UFOs

The Pentagon made a splash in recent years with revelations of videos showing fighter pilots observing unknown aerial objects. Lindsey uncovers stories of still-unverified UFO sightings and addresses the likely possibility of life beyond Earth.

Listen to a podcast exploring reported UFO and alien sightings

From the most shocking accounts of abductions and UFO sightings to an interview with a Harvard professor about these claims, dive into fascinating stories about run-ins with ETs that have continued to be told for decades.

People have long suspected that aliens and UFOs can be found at Area 51

Area 51 is a highly classified US military facility located in Nevada. Because of its remote location and secrecy, many Americans have speculated that the location hosts aliens. However, critics of this theory believe the UFO sightings are actually just military aircraft.

The perplexing Battle of Los Angeles in 1942 generated swaths of UFO conspiracies

On Feb. 24-25, 1942, weeks after the Pearl Harbor attack, a US military radar warned of enemy aircraft. A citywide blackout went into effect, powerful searchlights were lit up, and US forces fired artillery at what they believed to be the enemy. However, no confirmed enemy planes were ever identified. Eyewitnesses reported seeing large objects flying overhead, and much of the public speculated about UFOs and extraterrestrial attacks.

English cosmologist Stephen Hawking (1942-2018) jokes about alien sightings

"I am discounting the reports of UFOs. Why would they appear to only cranks and weirdos?"

A private repository of millions of FOIA-requested documents

The Black Vault is one of the largest privately run archives of declassified documents in the world. Explore UFO sightings, doorways on Mars, and more.

Stratospheric balloons: a visual guide

In late January 2023, a Chinese high-altitude balloon, believed to be for surveillance purposes, traversed the US and caused a diplomatic stir. The technology itself is established—though typically used for atmospheric measurements. This visual...

The FBI's most famous cases

From the D.B. Cooper plane hijacking to the kidnapping of Frank Sinatra Jr. to the details about the first FBI agent killed in the line of duty, this FBI archive overviews the agency's most famous cases. Cases are organized by investigative priorities, according to the agency. Clicking any of the linked investigations takes readers to detailed articles about the cases, some of which remain unsolved.

A short history of space exploration

Let us to take you back through the timeline of space exploration and its rich, fascinating history, starting in 1946, with a rudimentary German military rocket.

Watch a 1957 news report on the Sputnik launch

This 1957 news report captures the shock and uncertainty that followed the launch of Sputnik, showing how the first artificial satellite immediately altered global politics, military planning, and public perceptions of technological power.

How Western psychedelics research fell to the wayside

Psychedelics' modern era began when LSD was discovered in the 1930s. By the 1950s, clinical trials were underway. US user experimentation outside of medical settings (and high-profile violence, like the Manson murders) inspired negative attitudes toward psychedelics, leading to use restrictions that prohibited companies from patenting psychedelic compounds. This strangled psychedelics' profitability until the 1990s when the government loosened its grip and psychedelics research began seeing a resurgence.

Go inside Air Force One

Air Force One is the official aircraft used to transport the US president, serving as both a mobile office and command center. Over the decades, its technology, security, and symbolism have evolved—from Roosevelt's early prop planes to today's highly advanced Boeing jets.

Travel in time to how people felt about major US events

Pollsters track more than just politics: From civil rights to war declarations, go back and see how people felt about major events in the US with this timeline.

NASA purchased about 60% of all integrated circuits from 1961 to 1965

The US government adopted the new technology to support the development of the Apollo Guidance Computer, which would help astronauts fly to the moon. This drove manufacturing up and costs down, setting the stage for the modern computing era.

The theory of chemtrails originated from misinterpreting a US Air Force paper

The document proposed a future weather modification system to achieve military objectives, but clarified that such a system "does not reflect current military policy, practice, or capability." Past testing of biological and chemical weapons has accelerated conspiracies about streaks of condensation trailing aircraft to be harmful chemical agents.

How black boxes made flying safe

Black boxes—which are actually orange—were not universally present in airplanes until roughly 1967, a process which grew out of frustration over frequent, unexplained crashes in the industry's first few decades. This piece tells the origins of...

How the NSF Public Understanding of Science program fueled science interest and literacy

To support STEM education at all levels and in all settings, the NSF has invested in public-facing science projects since 1957. These investments produced science education storytelling and entertainment programming, including "Bill Nye the Science Guy," "The Magic School Bus," and the "Flight of the Butterflies" and "Blue Whales" IMAX films.

Find out how prevalent the flu is at this current moment

Updated weekly, this USAFacts resource shares current data from the CDC detailing how many cases of influenza and other flu-like illnesses accounted for doctor's visits. Monitor the spread of respiratory illness during flu season with this handy resource and prepare accordingly.

Explore every War Powers Resolution report submitted to Congress since 1973

This NYU School of Law project catalogs all unclassified 48-hour reports submitted by presidents since the War Powers Resolution was enacted, with search options by president, location, and claimed legal authority.

The United States is the world's oldest continuously operating federal system under a written constitution

The US pioneered federalism in the late 18th century, and many countries later adopted federal systems to manage conflict and share power. This resource features interactive maps that trace the spread of federal systems worldwide from 1900 to the present.

The original 'Star Wars' was quietly showcased at Comic‑Con in 1976 to little fanfare

In a bold pre‑release move on July 22, 1976, Lucasfilm set up an eight-foot booth and slideshow at San Diego Comic‑Con, introducing the then‑titled "The Star Wars"—with no premiere buzz, just intrigue among a few hundred early fans.

Lidar's discoveries: 32 forts revealed by the laser tech

Lidar is a cutting-edge tool using lasers from an aircraft to map the elevations of huge swaths of land across the world. This technology has been especially effective in archaeology. It has revealed dozens of lost major historical sites concealed beneath overgrown brush and forests. From Canadian forts to Mayan settlements, check out these 32 significant finds from lidar.

A 2019 Facebook event called on attendees to "Storm Area 51, They Can't Stop All of Us," resulting in countless memes, the creation of a music festival, and eventually the arrests of those who did try to approach the area.

Congressional funding for asteroid detection has long seen bipartisan support

Although asteroid detection is mandated by law, the NEO Surveyor telescope, which is specifically designed to detect asteroids, received more than twice the funding requested by NASA in 2023.

See shots of the Wright Flyer intact at the National Air and Space Museum

Since the museum’s opening in 1976, the wood-and-muslin plane has been available for public viewing with a model of Orville, the younger brother, lying on the plane’s mid-section.

The idea for the Federal Reserve was conceived in secret in 1910—with bankers donning duck hunt gear for disguise while traveling to a remote country club on Georgia's Jekyll Island

JFK appointed Roosevelt to chair the President's Commission on the Status of Women

Established in 1961, the commission issued a landmark report in 1963 exposing widespread discrimination against women in employment and government.

See the most iconic photos from four decades of LIFE magazine

Before humans, the Soviet Union and the United States sent animals—including apes, dogs, and cats—to space during the Space Race.

Explore the known asteroids, comets, and spacecraft involved in asteroid studies within our solar system with 'Eyes on Asteroids,' a 3D visualization from NASA.

Hear about the 250-year history of the United States Postal Service, complete with some of its strangest deliveries, important innovations, and the figures that made it an American institution.

In 1915, workers recovered a submarine-like vessel from the Chicago River, prompting fears of German espionage

At the beginning of the 20th century, a group of young men ate standard American food—replete with food additives like borax and formaldehyde—as part of government research to better understand food safety.

In 2009, the nation was gripped by the story of a missing young boy who was believed to be floating over Colorado in a homemade balloon, until it was revealed that he was at home the whole time.

About 12.5% of US adults experience a phobia in their lifetime, a diagnosis that hinges on the intense fear interfering with daily life and persisting for at least six months.

While the first exchange-traded fund (a 'basket' of different assets that can be bought and sold on a stock exchange) in the US only launched in 1993, the global ETF market has grown to more than $10T in the short time since.

US intelligence allegedly pursued more than 600 schemes to assassinate Cuban revolutionary Fidel Castro.

'Shogun,' a 1980s TV series, helped popularize sushi in the US by stimulating an American interest in Japanese culture.

Track the location of the Voyager probes, currently between 13 and 15 billion miles away from Earth.

View the ten deadliest tornadoes in US history.

After 25 people used virtual reality headsets to practice flying with virtual wings—flapping their arms—their visual cortex responded to the wings almost as if they were real arms, treating them as body parts.

The name 'Silicon Valley' arose from the founding of Shockley Semiconductor Laboratory in Fairchild Semiconductor in 1956-57, founded near Stanford University in Palo Alto

Fireworks-related ER visits are on the rise—in 2024, they increased by 52% as compared to the prior year.

Explore an interactive map of battles from the American Revolution, along with detailed summaries of each engagement

Long before Major League Baseball began allowing instant replay for balls and strikes, an umpire reluctantly used the technology to determine whether a hit was a home run, a move that inadvertently ushered in a new era for the sport.

The first horror movie is believed to be George Méliès' 1986 short 'The Haunted Castle,' which pioneered the use of special effects

One disco producer saw 'Star Wars' four times on its opening weekend and was so inspired that he recorded the album 'Star Wars and Other Intergalactic Funk,' which produced a chart-topping single.

Power lines are dotted with large, brightly colored balls to improve the visibility of these thin wires to helicopters and small planes and help prevent potential crashes.

The American Society of Civil Engineers' infrastructure report card gave the US a C in 2025, its highest grade since the project launched in 1998.