An exclusive look at a Space Force training exercise offered rare insights into how the secretive branch is preparing to ...

Earth has a number of mini-moons and quasi-moons. Mini-moons are objects that orbit our planet. But they make for fickle fans: They tend to swing around Earth for only a matter of months. One example ...

A new NASA mission will capture images of Earth's invisible "halo," the faint light given off by our planet's outermost atmospheric layer, the exosphere, as it morphs and changes in response to the ...

On Sept. 23, a spacecraft will launch with a clear mission — to keep a constant watch on the sun to help protect Earth from space weather. The satellite, Space Weather Follow-On L1 (SWFO-L1), is ...

Apophis will zoom safely past the Earth closer than the orbits of geosynchronous satellites on April 13, 2029. As well as the ...

Three missions aimed at observing space weather are set to launch Sept. 23 from Florida. Here's what to know about NASA's IMAP and more.

NASA to stream Sept. 23 IMAP mission launch aboard SpaceX IMAP to study solar wind and heliosphere science at Lagrange Point ...

A small asteroid has been quietly following Earth’s orbit for decades—unseen, unbothered and, until recently, completely ...

The Japanese Aerospace Exploration Agency, or JAXA, expects its spacecraft to rendezvous with the asteroid in July 2031. The ...

Current satellite tracking ‘too slow' for modern threats Space Force Chief: Current satellite tracking ‘too slow' for modern ...

A recently observed object called 2025 PN7 was found orbiting near the Earth. The quasi-moon is expected to accompany our ...

It was in 2002, during the George W. Bush administration, when NASA decided to put a satellite into orbit to track emissions of carbon dioxide, the primary greenhouse gas pumped into the atmosphere ...