"We've often seen the 'baby pictures' of planets forming, but until now, the 'teenage years' have been a missing link." ...

Planet Nine was proposed to explain unusual motions of distant objects beyond Neptune. Since then, astronomers have searched ...

The interstellar visitor may still have a few things to tell us before it leaves our solar system.

AI helped researchers probe the Hubble Space Telescope's archive to find strange celestial objects, including some ...

If you’re a night owl, the 79.5% moon will be in conjunction with Jupiter in the early hours of Feb. 27 (around 01:30 AM ET).

The James Webb Space Telescope has returned new observations from TRAPPIST-1e, one of the most intriguing Earth-sized ...

The sky is getting crowded. In the last few years, the number of satellite launches has increased by an order of magnitude as ...

The dazzling lights of the aurora are created when high-energy particles from space collide with Earth's atmosphere. While ...

The invisible stuff makes up about 85 percent of all matter in the universe, but researchers know little about it ...

A new high-resolution map of distant galaxies may help scientists understand a mysterious invisible substance that helps hold the universe ...