NASA’s Perseverance rover has uncovered the most extensive evidence yet of complex organic molecules on Mars, detecting ...

An unusual sighting in a NASA image has reignited speculation that something extraterrestrial once existed on Mars.

There are "vast hidden magma systems" inside of Mars, scientists say – and it could have major implications for the search ...

After more than five years of roaming the desolate and dusty landscapes of the Martian surface, NASA’s Perseverance rover has ...

The organic molecules could come from life or from ordinary chemistry — only samples returned to Earth can settle it.

Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden ...

Now Ph.D. candidate Tommaso Zaccaria has discovered 10 micro-organisms that could theoretically survive the unforgiving ...

For decades, the question of whether life exists beyond Earth has been the domain of science fiction writers and late-night ...

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

Elon Musk’s crown jewel has signed a new deal with Reflection, a company building open-source AI. It’s the latest indication ...

NASA wants to send an ambitious fleet of helicopters to soar through Martian skies—but scientists fear the endeavor could ...

Researchers say a biocontainment facility on the Moon could be humanity's last line of defense against potential future alien ...