The ion tail appeared as Comet C/2025 R3 PanSTARRS was about 45 million miles from Earth (72 million kilometers) during its ...

Astronomers analyzed the vapors coming off the comet when it neared the sun and found it had a lot of "heavy" water. That ...

Interstellar comet 3I/ATLAS is even more extreme. The ratio of semi-heavy water to regular water is 30 times larger than in ...

Learn more about the interstellar traveler, Comet 3I/ATLAS, and what researchers know about its place of origin.

NPR's Scott Detrow talks with Regina Barber and Nell Greenfieldboyce about the Artemis moon missions, the "seismic quiet" during a solar eclipse, and the origins of a mysterious interstellar visitor.

In Rough Edges, Mike Rothschild writes about fringe groups, conspiracy theories and how the Internet broke our brains. This ...

On this day in 2021, a Stevenage teenager from The Nobel School constructed a satellite receiver in his garden.

One thing that seems certain to unite the world's people beyond language barriers, political differences, is space ...

Outer space can be dangerous, especially in movies. There have been a variety of disasters that have space origins in film.

NASA's Transiting Exoplanet Survey Satellite has been searching for exoplanets since its launch in 2018, and it turns out it ...

This galaxy, also known as Messier 104, gets its nickname from its central bulge and outer dust trail, which give it a ...