Two decently bright comets that share a superficial resemblance are gracing our skies right now, in fact: C/2025 A6 (Lemmon) ...

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

On August 21, 2025, a small but powerful space plane will once again head into orbit, carrying with it experiments that could redefine how humans travel through space. The X-37B, a reusable orbital ...

Short-period comets get close to the sun much more often than their long-period kin, and every time they do, they deplete ...

Earth has just acquired a new best friend in space – a small asteroid named 2025 PN7. Not quite a moon, it has been moving in quiet company with our planet for decades, pacing our planet in nearly ...

It was the seventh launch and landing for this particular booster, which previously sent the U.S. Space Force's robotic X-37B space plane to orbit on its latest mission. SpaceX launched 28 more of its ...

Launch recap: Live updates from USSF-36 mission, which launched at 11:50 p.m. Aug. 21 from NASA's Kennedy Space Center Pad 39A. Original story: The mysterious Space Force space plane is scheduled to ...