Add Yahoo as a preferred source to see more of our stories on Google. A composite view of Mars taken by the Viking I and II probes. NASA/USGS In September, NASA announced the discovery of a possible ...

A persistent myth of a 13,000-year-old 'Black Knight satellite' of possible alien origin has captivated many. However, ...

Aliens: "Sorry, you're cutting out!" The post Something May Be Scrambling Alien Messages, NASA-Funded Research Finds appeared ...

Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a discussion of advanced Martian ...

If aliens are out there, why haven’t we heard from them? That’s the question at the center of Pop Mech’s new story, “Aliens Probably Exist—But They’re Staying Silent For a Reason, NASA Scientist ...

Rocky, the adorable alien creature in Project Hail Mary, lives in relatively close proximity to the home world of an iconic ...

Interstellar comet 3I/ATLAS has steadily been making its exit ever since it had a rendezvous at the end of October with the ...

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 ...

The Mars Perseverance rover has been investigating the Jezero Crater and came across something that is not native to Mars at all. It is a meteorite that collided with the red planet. Though various ...

Answers to some of those questions could finally become public after President Trump's call last week for the release of files related to UFOs or any "alien and extraterrestrial life." Mr. Trump ...

Forty years ago, on January 28, 1986, the nation gathered to watch the Space Shuttle Challenger launch, a historic mission carrying the first "teacher in space," Christa McAuliffe. But 73 seconds into ...