NASA announced that it lost contact with the Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft after it orbited behind Mars on Dec. 6.

In 1907, a wealthy Massachusetts astronomer managed to convince much of the country there was proof of life on Mars. Science ...

A major new study lays out plans for crewed missions to Mars, with the search for extraterrestrial life being a top priority ...

Scientists in Boulder are using existing NASA spacecraft to track a rare interstellar comet called 31/ATLAS as it travels ...

A former Israeli space chief's claims about an alien galactic federation have resurfaced, sparking a viral debate and renewed ...

Invaders From Mars, a surreal 1953 science fiction cult classic that inspired Steven Spielberg, is a hit on free streaming.

Despite being one of the most promising places to explore for signs of life, "special regions" and "uncertain regions" may be ...

One of the clean rooms where scientists discovered T. phoenicis for the first time was during preparations for NASA’s Phoenix ...

NASA has unveiled a series of new discoveries that make the possibility of alien life elsewhere in the universe more ...

Some borough residents got an early peek at the new entrance sign expected to grace the roads of Mars Borough early next year ...

Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.

Since humanity's first steps on the moon, the aspiration to extend human civilization beyond Earth has been a central ...