DIY Space Capsule Paint Job

The interstellar comet 3I/Atlas reached its closest point to the sun. Here's how to follow the rest of its journey away from our solar system.

An observatory detected the first radio signal from the interstellar object 3I/Atlas. Here’s what it means.

What sneaky invisible forces enable these instruments to locate buried treasure?

Solar winds at a million miles an hour and freaky magnetic turbulence are sparking some of the best light shows in centuries.

Driving a spacecraft around a planet isn’t anything like driving on a planet. A physicist explains orbital navigation.

The only craft docked at Tiangong space station has been damaged and “does not meet the release conditions for a safe manned return.”

By shifting water to a higher elevation, the giant Three Gorges Dam caused the Earth to spin more slowly.

This month-long meteor shower peaks just after mid-November and is known for producing bright “fireball” shooting stars. Here’s what to know about Leonids and other major showers that will appear in 2025.

The proof, known to be so hard that a mathematician once offered 10 martinis to whoever could figure it out, uses number theory to explain quantum fractals.

“Anomalous” heat flow, which at first appears to violate the second law of thermodynamics, gives physicists a way to detect quantum entanglement without destroying it.

It’s not for everyone, but sometimes my robot vacuum is my only friend.

The X-59 successfully completed its inaugural flight—a step toward developing quieter supersonic jets that could one day fly customers more than twice as fast as commercial airliners.