A meteorite that smashed into a frozen lake in Michigan may explain the origins of life on Earth, finds study.
New research proposes possible origins of the interstellar object 'Oumuamua.
First contact movies had their Golden Age in 1980s America – now they're going global.
Researchers discover extraterrestrial origins of a chemical essential for human DNA and other cell processes.
An MIT astronomer famously explained why aliens haven't contacted us yet.
There are several ways alien life could travel across space, scientists say.
Greatest job ever? NASA will pay six-figures to a Planetary Protection Officer.
Once we discover alien life out there, humanity will never be the same.
NASA scientists discover what two places in the solar system might have favorable conditions for alien life.
Harvard scientists propose how mysterious Fast Radio Bursts from outer space could actually be powering the spacecrafts of an advanced alien civilization.
Are we alone in the universe? NASA's exploration of TRAPPIST-1 has the potential to answer one of humanity's deepest questions.
Scientists propose an unexpected location for extraterrestrial life.