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 ...

Nasa has discovered over 6,000 exoplanets - planets outside our Solar System and continue to search for Earth-like worlds ...

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.

The asteroid will pass the Earth at a distance of about 135,000 miles (about 217,000 km), considered "close" in astronomical ...

Astronomers discover asteroid 2025 PN7, earth's latest quasi-satellite, revealing insights into planetary dynamics and ...