Earlier this week, the number of visible sunspots on our home star fell to zero for the first time in 1,335 days. This ...

NASA said Friday it’s adding an extra moon mission by Artemis astronauts before attempting a high-risk lunar landing with a crew.

This striking image from the science camera on ESA's Jupiter Icy Moons Explorer (Juice) shows interstellar comet 3I/ATLAS ...

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

It comes down to the speed at which these objects were moving during their formation, and the strength with which their ...

Engineers at UC Davis have built a remarkable device that creates power at night by tapping into something we rarely think about: the vast cold of outer space. Using a special type of Stirling engine, ...

Mars’ frozen ice caps may be time capsules for ancient life. Lab experiments show that key building blocks of proteins can survive tens of millions of years in pure ice, even under relentless cosmic ...

"The polarized light of the cosmic microwave background is sensitive to new physics that violates parity symmetry," the team ...

The last time the sun's face was perfectly spotless was on June 8, 2022, more than 1,355 days earlier. The sun's visible disk has been perfectly free from sunspots for the first time since June 2022, ...

NASA’s efforts to get the Artemis II mission off the ground have stalled once again, as engineers navigate a new issue with the rocket set to launch four astronauts on a history trip around the moon.

Vandenberg held their first "Mission Update" discussion last week, where information was presented to the public regarding ...

A few small rodents like rats and mice whistle like this, but horses are the first known large mammal to have a knack for it.