Aliens

Many reports of Unidentified Anomalous Phenomena (UAP) are later discovered to be some type of balloon.

NASA Report Finds No Evidence of Extraterrestrial Origin for UFO Sightings

However, no explanation can be ruled out, per the agency, which also appointed its first director of research into the subject

One of the two specimens presented to Mexico's Congress, photographed during a press conference of Mexican journalist and self-proclaimed UFO expert Jaime Maussan, in Mexico City on September 13, 2023.

Alleged Alien Corpses Displayed to Mexican Congress Did Not Convince Scientists

Self-described UFO expert Jaime Maussan, whose claims of extraterrestrials have been debunked in the past, said the specimens were "non-human"

David Grusch, former national reconnaissance officer representative of the UAP Task Force at the U.S. Department of Defense, testifies during a House Oversight Committee hearing.

Whistleblower Alleges U.S. Government Is Covering Up Alien Life at UFO Hearing

A Pentagon spokesperson has denied the claims, while lawmakers are pushing for information on UFOs to be declassified

The Green Bank Telescope at the Green Bank Observatory in West Virginia was one of three observatories to receive the transmission created by artist Daniela de Paulis.

Could You Decode a Message From Aliens?

An artist is challenging researchers and amateurs alike to practice parsing an extraterrestrial communication

An unidentified aerial phenomenon captured by the U.S. Navy

More Than 350 New UFO Sightings Added to U.S. Government Records

Officials speculate these may include balloons, drones, airborne plastic bags or birds

A young Sammy Fabelman (Mateo Zoryan Francis-DeFord) in The Fabelmans 

The Making of Steven Spielberg

"The Fabelmans" is a lightly fictionalized dramatization of the famous director's childhood

E.T. looks out the window with Elliott (Henry Thomas) in a scene from the 1982 movie. 

Original 'E.T.' Mechatronic Model Could Fetch $3 Million at Auction

The metallic skeleton, created by special effects pro Carlo Rambaldi in 1981, features 85 movement points

E.T. looks out the window with Elliott (Henry Thomas) in a scene from the 1982 movie.

Why the Legacy of 'E.T.' Endures, 40 Years Later

A new book offers a behind-the-scenes look at the iconic Steven Spielberg movie

Scientists want to open a dialogue with intelligent extraterrestrial beings in the Milky Way.

Why NASA Scientists Want to Send Nudes to Space

The naked truth: It’s a plan to make contact with intelligent life forms in the Milky Way

An image of the original 1970s Arecibo message. 

These Space Scientists Want to Update Earth's Message to Extraterrestrials

The broadcast builds on the 1974 Arecibo message and portrays information about science, math and human life

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The Wonder of Avi Loeb

The physicist thinks we might have glimpsed evidence of an alien civilization. Despite controversy, he’s determined to find more

An artist's rendering of the Earth and sun seen from space. Astronomers on Earth can detect other worlds when far away stars flicker as an orbiting planet passes in front of them, partly blocking our view. New research asks how many alien worlds might have been able to detect Earth in this way.

If Aliens Exist in These 1,700 Solar Systems, They Can Probably See Earth

Hypothetical alien astronomers orbiting these stars could have seen the sun’s light flicker as Earth passed in front of it

The Parkes Telescope in Australia

Astronomers Discover Mysterious Radio Signal From Proxima Centauri

Scientists searching for aliens are trying to understand the signal’s origins

The telescope collapsed ahead of its scheduled demolition.

Massive Arecibo Telescope Collapses in Puerto Rico

The radio telescope was once the largest in the world, and played a key role in many major astronomical discoveries over the last 50 years

A helicopter crew discovered this odd monolith in the middle of the Utah desert on November 18.

A Mysterious Monolith in the Utah Desert Vanished Overnight

Theories regarding the 12-foot-tall metal structure's origins—and ultimate fate—abound

The moon at night, as seen from Germany

Why Astronomers Want to Build a SETI Observatory on the Moon

Researchers say the location would offer a quiet spot from which to hear a signal from an intelligent civilization

Venus, the second planet from the sun

In Clouds on Venus, New Potential for Microbial Life

Astronomers have detected a chemical in Venus’ atmosphere that signifies life on Earth. Could it mean the same on Venus?

A rock samples collected during a 2010 drilling expedition in the South Pacific that found microbes in the sea floor.

Microbes Living in Deep Sea Rocks Spawn More Hope for Life on Mars

Starved of resources, these hardy bacteria still eke out a living, suggesting life forms could survive in the harsh habitats on other planets

Jupiter's moon Europa may have the ingredients necessary for hosting life: liquid water, an energy source and organic compounds.

We’re Better Equipped to Find Extraterrestrial Life Now Than Ever Before

Astronomers have more places to look for signs of intelligent life and more advanced tools to find it

Scientists seeking extraterrestrial life in the universe (above: a radio observatory in New Mexico) seek the answer to what is called the Fermi paradox: “Where is everybody?”

If Aliens Existed Elsewhere in the Universe, How Would They Behave?

In a new offering from Smithsonian Books, James Trefil and Michael Summers explore the life forms that might exist on a dizzying array of exoplanets

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