SIGNS of an alien planet that’s about the same size as Earth have been picked by up a Nasa telescope. Scientists say it might even be within its host star’s “habitable ...

A faint signal from old telescope data is causing a stir in astronomy: a planet barely larger than Earth, with an almost ...

The X-Men boast several of Marvel's richest heroes, with trillions of dollars at their disposal. These heroes make Tony Stark ...

A new paper suggests that BARSOOM may have been alive on the planet, and was killed in the Viking experiments.

Compared with Earth, Mars is tiny, yet it seems to have an outsized effect on our planet’s climate cycles. Similar small planets could affect the climates of worlds beyond our solar system, which we ...

The race to compile a sort of catalogue of the planets orbiting distant Suns is intensifying, with the upcoming Nancy Grace Roman Space Telescope, for instance, set to spot tens of thousands of such ...

A viral Obama podcast answer about aliens prompted Trump to accuse him of revealing secrets and promise to release UFO files ...

Scientists may need to broaden their horizons in their search for alien life. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news ...

Arnie said, "Get your a* to Mars", but is it really a good idea? We asked the experts about our Martian future.

Scientists believe these rocks were formed by ancient rainfall and humidity, similar to processes on Earth. The discovery adds to the evidence that Mars may have once been a habitable planet capable ...