While 3I/ATLAS is definitely a comet, its composition and age have remained unclear. Now, astronomers have solved these ...

This is the first image of a rare 'minimoon' that loops around the Earth like a dance partner.

Skywatchers are going to want to keep an eye on the sky across the U.S. on Tuesday evening. The moon and Saturn conjunction will commence, dazzling the night sky and being visible to the naked eye.

The exoplanet telescope TESS revealed a distant world using an entirely different detection method than the one it was built ...

Stream now with KPBS Passport on KPBS+ / Watch Tuesday, July 7, 2026 at 11:30 p.m. on KPBS TV. The half-hour documentary ...

NASA is preparing for a rescue that sounds more like a stunt than routine mission control: send a robot into orbit, find an ...

The question is, will the United States return before them, and will we do so in a different way this time?” Isaacman said.

Here's your chance to live like an astronaut as NASA seeks volunteers to live in a habitat for a year simulating future moon ...

The probe will conduct a detailed scientific survey of the asteroid and send a sample back to Earth for further analysis.

A Chinese spacecraft on a mission to collect and return samples of a near-Earth asteroid beamed back its first image of its ...

It implies or requires that the angrite parent body had to be big, but the question is, where is it now?” CU Boulder ...

You might be surprised to know that we're actually at our farthest point from the sun in our orbit. It's called aphelion. As ...