Earth’s path around the Sun is not a fixed racetrack but a slowly shifting orbit, and those subtle changes have a long ...

More objects are being launched into space than ever, and most are headed for low Earth orbit. This region of space has become increasingly crowded with launches from SpaceX and others that have ...

While our Sun prefers to go solo, many other stars are parts of binary systems, with a pair of stars gravitationally bound to each other. In some cases, the stars are far enough apart that planets can ...

The US Space Force announced Thursday it is partnering with two companies, Rocket Lab and True Anomaly, for a first-of-its-kind mission to demonstrate how the military might counter “on-orbit ...

Scientists have studied a rare iron meteorite in detail, discovering what orbit its parent body occupied before crashing into Earth. It is the first iron meteorite for which such orbit has been ...

The next satellites SpaceX helps to deliver to orbit from Southern California won't be its own, but rather two of NASA's. Spaceflight missions to deploy internet-beaming Starlink satellites are by far ...