Astronomers traced a mysterious 'scar' of ionized gas around the solar system to two stars that had a close flyby with our ...

Jack Smith tells lawmakers his team developed 'proof beyond a reasonable doubt' against Trump Gil Gerard, ‘Buck Rogers in the ...

NASA has released a batch of images from the Chandra X-ray Observatory that they have dubbed "razzle-dazzle across space." ...

While these free events do indeed happen each month, the gathering that's set to sparkle Dec. 20 feels a bit special: It's ...

For the first time, scientists have created detailed, 2D maps of the sun's outermost atmosphere. This feat was accomplished ...

Webb traced the light of a dying star, supernova GRB 250314A, from when the universe was only 730 million years old.

The interstellar comet 3I/ATLAS will make its closest approach to Earth this week on Dec. 19, 2025. Here's the latest news ...

On December 19, avid skywatchers can catch a glimpse of the mysterious visitor through powerful binoculars or a telescope ...

NASA has completed the Nancy Grace Roman space telescope. The versatile instrument is scheduled to fly into space in 2027.

Anytime after dark is great for looking more closely at one of the jewels of the winter night sky. Look below Orion's Belt — ...

Here are some of the most beautiful pictures of nebulae captured by NASA. These images reveal striking colours and patterns ...