extraterrestrial
Fireball meteorite offers clues to origins of life
A meteorite that smashed into a frozen lake in Michigan may explain the origins of life on Earth, finds study.
Mystery of ‘Oumuamua’s creation explained by study
New research proposes possible origins of the interstellar object 'Oumuamua.
A century of alien landings, in two maps
First contact movies had their Golden Age in 1980s America – now they're going global.
Major ingredient for life on Earth formed in deep space, claims new study
Researchers discover extraterrestrial origins of a chemical essential for human DNA and other cell processes.
If the Pentagon Is Hiding Aliens from Us, the Zoo Hypothesis May Explain Why
An MIT astronomer famously explained why aliens haven't contacted us yet.
Did Russian Cosmonauts Find Alien Bacteria Outside the ISS?
There are several ways alien life could travel across space, scientists say.
Best Job Ever? NASA Is Hiring Someone to Defend Earth from Aliens
Greatest job ever? NASA will pay six-figures to a Planetary Protection Officer.
Hey Bill Nye! Would Humanity Make Peace with Aliens—or War?
Once we discover alien life out there, humanity will never be the same.
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NASA Discovers Why Saturn’s Moon Enceladus May Be the Best Place to Look for Alien Life
NASA scientists discover what two places in the solar system might have favorable conditions for alien life.
Enigmatic Deep Space Flashes Could Be Powering Alien Spaceships, Say Harvard Scientists
Harvard scientists propose how mysterious Fast Radio Bursts from outer space could actually be powering the spacecrafts of an advanced alien civilization.
Discoveries in the TRAPPIST-1 System Could “Change the Course of Human History”
Are we alone in the universe? NASA's exploration of TRAPPIST-1 has the potential to answer one of humanity's deepest questions.
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Alien Lifeforms Could Exist in the Clouds of Brown Dwarfs, Cold “Failed” Stars
Scientists propose an unexpected location for extraterrestrial life.