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

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

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

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

This is the strongest evidence yet of a rocky planet beyond our solar system with an atmosphere. Astronomers using the James ...

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

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

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 ...

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

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

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 ...