Turns out evidence of alien life might well have been discovered much closer to home.

Aliens exist - they just haven't visited Earth, NASA veteran Dr Gentry Lee has claimed.

Astrobiologists say we could find evidence of microbial life within the next 10–20 years. What does that mean? Where are we ...

A scientist argued that a Viking lander experiment in 1976 detected microbial life on Mars and urged NASA to repeat the tests before future missions. We asked retired astronauts about their favorite ...

These shows arguably pushed the genre further, aged more gracefully, or told tighter, more cohesive stories than 'The X-Files'.

As next-generation telescopes map this outer frontier, astronomers are bracing for discoveries that could reveal hidden planets, strange structures, and clues to the solar system’s chaotic youth.

Nilton O. Rennó receives funding from NASA, JPL, DARPA, and IARPA. Mars is a very dry planet with very little water in its atmosphere and hardly any clouds, so you might not expect it to have storms.

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Ancient shoreline features ...

Ancient shoreline features hint that water on Mars once formed a vast ocean. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, ...

New theoretical models have strengthened the case that immense, energy-harvesting structures orbiting their host stars could exist in principle in distant stellar systems. With the right engineering ...

There’s no denying the allure of alien artifacts. Science fiction is awash in the material remnants of extraterrestrial civilizations, which surface in everything from the classic books of Arthur C.