The X5.1-class eruption from sunspot AR4274 is this year's most powerful solar flare and Earth is in the firing line.

Comet Lemmon, or C/2025 A6, was discovered by the Arizona-based Mount Lemmon Survey, which observed it as an almost ...

" Gemini: Stepping Stone to the Moon, the Untold Story " (St. Martin's Press, 2025) is an absorbing new release arriving on ...

The search for quantum gravity is the next big step in physics, as researchers seek to unify the physics of the very small ...

The space debris expert has been trying to tally debris impact events in low Earth orbit for years, especially those that ...

Zoe Lofgren (D-CA), the ranking Democrat on the Committee on Science, Space, and Technology, demands that NASA must cease ...

Astrophotographers combat satellite streaks by capturing a multitude of short exposures over the course of a single session.

But Earth isn't the only place we've set up shop. Space-based telescopes like Hubble, James Webb, and Chandra orbit far above ...

Look low on the southwestern horizon at sunset on Nov. 12 for a chance to see swift Mercury close to the red light of Mars in ...

"The successful completion of this test marks another significant step toward qualifying the parachute system for human ...

With 28 hours of battery life and superb image stabilization, these are the perfect binoculars for stargazing.

On Christmas Eve in 2023, a European Space Agency (ESA) spacecraft captured what looks like a barcode etched into the rusty ...