Let’s get one thing out of the way. I’m your resident science writer. Alien comets, tiny universes, and body parts are the ...

Lawmakers and Trump UFO advisors are naming the private corporations who allegedly operate crash retrieval programs and are ...

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

When the U.S. was born, humanity was still seven years away from balloon-borne flight. Where might we be another 250 years from now, should the nation be fortunate enough to survive that long?

WD 1856 b circles the burnt-out core of a dead star at a distance that seems almost impossible. The giant planet skims around ...

The Trump administration selected a controversial Harvard astronomer to lead their new scientific advisory council to study ...

A lucky photographer got a once-in-a-lifetime shot of a solar halo over Devils Tower on Wednesday. “It’s a spectacular ...

A controversial Harvard University cosmologist who has suggested alien lifeforms could be sailing into the solar system disguised as meteors is leading the Trump administration’ ...

NASA works with scientists worldwide to advance our understanding of what hazards are in our solar system and how we can mitigate the risks.

A Harvard University professor known for his polarizing theories about extraterrestrial life has been tapped by the White ...

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...