A rather outlandish claim that an alien gun was spotted in a photo taken on Mars 12 years ago has drawn attention.

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.

Along with other recent discoveries, the new finding from Perseverance boosts the case that Mars once hosted conditions that ...

Researchers propose turning a future NASA moon base into a quarantine station that would screen space samples before they ever reach Earth.

Today's Mars rovers typically drive at about 500 to 1,000 feet per hour — roughly the length of one to three football fields ...

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 ...