Is Pluto a planet? What's up with the "space jellyfish?" And are aliens real? Astrophysicist, speaker and author Neil deGrasse Tyson, who is stopping in Pittsburgh later this month, answers our ...

Red dwarfs make up the vast majority of stars in the galaxy. Such ubiquity means they host the majority of rocky exoplanets ...

They had larger heads, larger eyes,” she said, describing one alien group. At the 24th annual Conscious Life Expo, which convened more than 5,000 New Age spiritual seekers from Feb. 20-23, Solaris’ ...

Have you seen all 10 movies nominated for Best Picture at the 98th Academy Awards? Here's a reminder about the stars and plot ...

According to a new study, any alien civilizations out there? Probably short-lived — and doomed to fail spectacularly. For ...

In the affluent, technocratic Alexandria Colony, people are disappearing. And witnesses are dying in grisly, mysterious ways—it all reeks of Xenomorphs. At a loss, the Hume City police call in Special ...

Expedition imagines what humans might encounter when exploring an alien world. In this video we dive into the planet’s environment and the lifeforms that inhabit it. Everything is built using ...

The interstellar comet 3I/ATLAS is leaving our solar system for good. Here's what to know about its journey and NASA's observations.

Add Yahoo as a preferred source to see more of our stories on Google. Did Obama confirm the existence of aliens, only to walk it back? After saying “they’re real” on Brian Tyler Cohen’s podcast, 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 ...