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.

The Roman Space Telescope is one of NASA's next great observatories, designed to explore some of the biggest questions in modern astronomy. From probing the mysterious nature of dark energy to ...

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

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 ...

"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.

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

The best time to hunt for Ursid meteors is from the evening of Dec. 21 straight through to dawn on Dec. 22. The shower's peak ...

I/ATLAS may have moved away from Earth as it makes its way out of the solar system, but this interstellar intruder continues ...