Images from NASA's Galileo mission reveal a tantalizing starburst-like feature. Scientists call it a "wall demon." ...

The Geminid meteor shower peaks Dec. 13–14, and the U.S. weather forecast will play a key role in what you'll see.

If you didn't stay up to watch The Game Awards 2025, here's the complete rundown of the hottest sci-fi and space games that ...

The new system will also involve testing new experimental technologies developed by the Air Force Research Laboratory and ...

Too much ionizing radiation exposure can cause long-term health problems, including cancer and reproductive issues. Radiation ...

Comet Lemmon was discovered in January 2025 and made its closest approach to Earth in late October 2025. But by November 2025 ...

"The natural question that comes up is: how many more space telescopes will be affected when all these constellations are ...

A wheelchair user will reach space next week for the first time ever, if all goes according to plan. Blue Origin announced ...

For the 300th time this year, a rocket has lifted off for low Earth orbit. SpaceX on Thursday (Dec. 11), launched its Falcon ...

The X‑arithmetic technique offers a powerful new way to map the physics of other galactic structures across the universe and ...

Two new stars, or nova eruptions, have been resolved in unprecedented detail by six optical telescopes operating in unison as ...

SpaceX intends to go public in 2026 and will seek a valuation of $1.5 trillion, according to media reports. Elon Musk's company has been private since its founding in March 2002. Over the past six ...