The 84-foot-diameter space rock—dubbed "2025 XM"—is hurtling through the solar system at a zippy 9,753 miles per hour.

Scientists in Boulder are using existing NASA spacecraft to track a rare interstellar comet called 31/ATLAS as it travels ...

NASA’s Hubble Space Telescope captured a deeper look at interstellar comet 3I/ATLAS, with its Wide Field Camera 3 instrument, ...

LeoLabs has won an interagency contract to provide space-surveillance data for the U.S. government, supporting adversarial spacecraft monitoring and the TraCSS orbital traffic coordination platform ...

Earth is literally losing some of its shine. New readings from NASA’s long‑running satellite missions show that the planet is ...

China’s breakthrough on-orbit refueling test, still unachieved by the US, delivers a major strategic advantage in today's ...

Latest updates from the BBC's specialists in fact-checking, verifying video and tackling disinformation.

A strong solar eruption is expected to hit Earth on Tuesday (December 9), potentially causing tech disturbances and expanding ...

It seems another aurora australis is on its way, and this could be the biggest yet. Here's where and how to view it this week ...

A 6-year-old girl died following a Dec. 6, 2025, go-kart accident at Urban Air adventure park in Port St. Lucie, Florida.

The interstellar comet 3I/ATLAS is making its final pass, highly active after its Sun encounter. NASA and ESA release new ...

Astronomers using the Subaru Telescope discover an exoplanet and a brown dwarf, offering new insights and a key target for NASA’s upcoming Roman Telescope ...