The past water year, October 2024 through September 2025, brought the highest Arctic air temperatures since records began 125 ...

They won't be home for Christmas, but that's okay. They may not be home for Christmas, but astronauts in space are finding ...

The hours following sunset on Dec. 25 offer a wealth of naked-eye astronomy targets that can put even the most glitzy Christmas lights to shame, especially when viewed from a dark sky location.

Space debris – the collection of defunct human-made objects in Earth's orbit – is already affecting space agencies, companies and astronauts. This debris includes large pieces, such as spent rocket ...

In recent years, astronomers have become increasingly interested in a theoretical particle known as the axion, which was ...

"Hubble has given us a front row seat to the chaotic processes that are shaping disks as they build new planets — processes ...

Since its release in 2017, the Lego Star Wars Millennium Falcon has reigned supreme as the largest and highest piece count ...

Long before modern telescopes, early astronomers mapped the heavens with math, myth, and sheer curiosity. This crossword quiz celebrates the minds who first charted the cosmos.

If you're hoping for a festive skywatching surprise, Christmas week is shaping up to be more active than usual in space. Fast ...

Comet 3I/ATLAS was discovered on July 1, 2025, by the NASA-funded ATLAS telescope in Rio Hurtado, Chile and was quickly ...

An Indian rocket launched the record-breaking BlueBird 6 smartphone satellite to orbit on Tuesday night (Dec. 23). BlueBird 6 ...