On October 29, the alien comet passed through its closest distance to the Sun (perihelion). In case it's of interest, this was the moment that we would see any strange behaviour from it — changes in ...

Harvard's Avi Loeb says interstellar comet 3I/ATLAS may show forces beyond gravity. Scientists using JWST and Swift report ...

A JetBlue flight from Mexico made an emergency landing in Florida after a sudden altitude drop, resulting in injuries to ...

Find out what's up in your night sky during November 2025 and how to see it in this Space.com stargazing guide.

Astronomers have identified 3I/ATLAS, an ancient, ice-rich interstellar comet potentially older than our solar system.

Harvesting solar energy in orbit and beaming it down to Earth is a decades-old idea. Now, a raft of companies say they could ...

A supersonic jet plane designed to make very little noise took flight for the first time this week, cruising over the ...

New observations of a strange object that wobbles around the space between Jupiter and Uranus reveal what looks like a system ...

The X-59 successfully completed its inaugural flight—a step toward developing quieter supersonic jets that could one day fly ...

Photos and videos of astronauts on the ISS show them floating around, but saying there's zero gravity isn't fully accurate.

Harvesting solar energy in orbit and beaming it down to Earth is a decades-old idea. Now, a raft of companies say they could make it a reality.

The Habitable Worlds Observatory (HWO) is slated to be the next Great Observatory for the world. Its main focus has been ...