With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

As NASA plans for long-term human missions beyond Earth, one question keeps resurfacing: how do you sustain life in places ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

As number of lunar satellites soars, sites will be marked out where defunct hardware can be crash-landed ...

On the frozen surface of Jupiter’s moon Europa, a strange, star-shaped scar has become an unlikely focal point in the search ...

On the cracked ice of Jupiter’s moon Europa, a sprawling pattern of dark lines has taken on an unsettling nickname: a “demon” ...

The faraway moon has 'a slushy high-pressure ice layer' similar to the melting Arctic that could hide extraterrestrial life.

New research suggests Titan may be made up of a melting interior, with pockets of warm water that could offer promising ...

Careful reanalysis of data from more than a decade ago indicates that Saturn's biggest moon, Titan, does not have a vast ...

How accurate were Nostradamus and Baba Vanga's chilling predictions for this year? Read this detailed story here.

Interstellar object 3I/ATLAS has grown a colossal, sunward anti-tail larger than the distance to the moon. Is this an ...

Steven Spielberg’s new UFO movie has reignited speculation within the alien conspiracy theory community, especially after cryptic billboards teasing the upcoming film popped up across the country this ...