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

The Earth stands alone in the solar system as a habitable world, as far as we know. But that doesn’t mean we don’t get visitors, most often in the form of (usually harmless) asteroids. Some even ...

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 unknown. Astronomers have now confirmed the existence of 2025 PN7, a so-called ...

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 ...

Anduril and Impulse will launch a demo satellite in 2026 to test maneuverable defense spacecraft for the U.S. Space Force.

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 ...

As Congress debates NASA’s 2026 budget, two small but mighty satellites hang in limbo: the Orbiting Carbon Observatories, specifically OCO-2 and OCO-3. Tasked with tracking carbon dioxide and plant ...

A Flowerlike satellite has “bloomed” in outer space, unfolding to reveal the largest radar antenna reflector ever put into orbit. The NASA-ISRO Synthetic Aperture Radar (NISAR), a joint project ...