Japan’s final H-2A rocket launches GOSAT-GW for dual climate and ocean mo GOSAT-GW joins IBUKI and SHIZUKU in Earth orbit ...

Giant ‘space umbrella’ will orbit Earth but it won’t stop the rain – here’s why Jen Mills Published April 29, 2025 3:59pm Updated April 29, 2025 4:01pm Comments ...

The Spacecraft Speedometer uses the difference in the number and impact energy of measured ions collected with the ram and wake sensor heads to provide an on-orbit and real time spacecraft velocity ...

L3Harris says its Hypersonic and Ballistic Tracking Space Sensor, which it built for the Missile Defense Agency, is ready for production. (L3Harris) ...

The first satellite in a constellation designed specifically to locate wildfires early and precisely anywhere on the planet has now reached Earth's orbit, and it could forever change how we tackle ...

NASA Earth's orbit is so crowded with junk now that roughly 1,000 warnings about possible impending collisions go out to satellite operators each day, Berger said.

Earth’s orbit around the Sun is not circular, but an ellipse. The perimeter of Earth’s orbit is roughly 584 million miles (940 million km).

The MDA director told Defense News the sensor is a key part of the agency's vision for a space-based missile-tracking layer.

The fourth imprint launched by Orbit, Hachette Book Group's SFF division, Run for It joins the flagship Orbit imprint, Redhook, and Orbit Works.

Seen for the first time from the ground, the polar rain aurora produced an eerie green glow captured on camera in Norway.

Starfish Space ’s ambitious first mission to demonstrate on-orbit rendezvous and docking tech has officially come to a close, with the startup managing to complete some of the objectives thanks ...