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Topic: extraterrestrials

Dyson sphere is a hypothetical megastructure that completely encompasses a star (Getty Images/Love Employee)

Did astronomers see alien Dyson spheres?

Matthew Rozsa
Mars Express sees traces of ‘spiders’ in Mars’s Inca City (Photo illustration by Salon/ESA/DLR/FU Berlin/TGO/CaSSIS)

Mars probe spots "spider" shapes

Matthew Rozsa
David Grusch, former National Reconnaissance Office representative on the Defense Department's Unidentified Aerial Phenomena Task Force, testifies during the House Oversight and Accountability Subcommittee on National Security, the Border, and Foreign Affairs hearing titled "Unidentified Anomalous Phenomena: Implications on National Security, Public Safety, and Government Transparency," in Rayburn Building on Wednesday, July 26, 2023. (Tom Williams/CQ-Roll Call, Inc via Getty Images)

2023 was a historic year for UFO science

Matthew Rozsa
The artist's conception shows a hypothetical planet with two moons orbiting in the habitable zone of a red dwarf star. (NASA/D. Aguilar/Harvard-Smithsonian Center for Astrophysics)

A new target in search for alien life

Elizabeth Hlavinka
Alien and milky way in the night (Getty Images/Apostoli Rossella)

Would aliens really want to invade us?

Matthew Rozsa
The National Aeronautics and Space Administration (NASA) Headquarters is seen in Washington D.C., United States on September 15, 2023. (Celal Gunes/Anadolu Agency via Getty Images)

NASA: No evidence UFOs are aliens, sorry

Chris Impey - The Conversation
Mexican journalist and ufologist Jaime Maussan (Jaime Nogales/Medios y Media/Getty Images)

Does Mexico have mummified aliens?

Matthew Rozsa
Avi Loeb, physicist at Harvard University, poses for a portrait in the observatory near his office in Cambridge, MA. (Adam Glanzman/For The Washington Post via Getty Images)

Alien astrophysicist rebukes his critics

Elizabeth Hlavinka
Area 51 Main Gate (David James Henry/Wikimedia, CC BY-SA)

What is most likely going on in Area 51?

Christopher Nichols - The Conversation
(Getty/PhonlamaiPhoto)

Alien contact could be a disaster

William Lempert, Kim TallBear, David Delgado Shorter - The Conversation
Microbes in space, illustration (Getty Images/MARK GARLICK/SCIENCE PHOTO LIBRARY)

Will we know we've found aliens?

Nicole Karlis
UFOs (Getty Images/KTSDesign/SCIENCEPHOTOLIBRARY)

Why folks may believe UFOs are aliens

Barry Markovsky - The Conversation
Oumuamua, interstellar object passing through the Solar System (Getty Images/dottedhippo)

Humdrum comet or alien spacecraft?

Nicole Karlis
Astronauts on the Alien Planet Discover Plant Life. (Getty Images/gorodenkoff)

Which planets might actually have life?

Matthew Rozsa
Aliens emerging from the light at the end of a tunnel (Getty Images/David Wall)

2022 in the search for aliens

Matthew Rozsa
UFO flying toward Earth (Getty Images)

NASA convenes a UFO panel

Matthew Rozsa
UFO landing in the forest meadow (Getty Images/gremlin)

A physicist debunks the Ukraine UFOs

Avi Loeb
UFOs (Getty Images/KTSDesign/SCIENCEPHOTOLIBRARY)

The race to unearth an alien meteorite

Matthew Rozsa
UFO in flight above urban park (Getty Images/ Ray Massey)

NASA is putting together a UFO team

Matthew Rozsa
U.S. Deputy Director of Naval Intelligence Scott Bray explains a video of unidentified aerial phenomena, as he testifies before a House Intelligence Committee subcommittee hearing at the U.S. Capitol on May 17, 2022 in Washington, DC. (Kevin Dietsch/Getty Images)

Inside Congress' bizarre UFO hearing

Eric Schank
Jupiter's large moon, Europa, is covered by a thick crust of ice above a vast ocean of liquid water (Getty Images/Ron Miller/Stocktrek Images)

The chance of life on Europa goes up

Matthew Rozsa
Originally classified as an asteroid, Oumuamua is an object estimated to be about 230 by 35 meters (800 ft x 100 ft) in size, travelling through our solar system. (Getty Images/Aunt_Spray)

A new quarrel over an "alien" asteroid

Nicole Karlis
Alien microbes in space above Mars, conceptual illustration. (Getty Images)

What would Martian life look like?

Matthew Rozsa
Illustration of alien plants on a hospitable foreign planet (Getty Images)

Is this one of the nearest exoplanets?

Matthew Rozsa
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