A model of the Resurs-P spacecraft like the one that suffered a breakup event in low Earth orbit June 26. Credit: Vitaly V. Kuzmin CC BY-SA 4.0 WASHINGTON — A Russian satellite in low Earth orbit ...

Earth's orbit is an ellipse, not a perfect circle. Earth's distance from the Sun varies by about 3 million miles throughout the year. Earth's orbit's semimajor axis is approximately 93 million miles.

Rocket Lab launched an Earth-observing satellite for the company BlackSky toward orbit tonight (June 2). An Electron rocket lifted off from Rocket Lab's New Zealand site today at 7:57 p.m. EDT (0057 ...

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 ...

China is developing the capability to remove space debris from orbit, according to a top official. In recent years, China's space activities have grown tremendously, with an operational space station ...

The U.S. Space Force is hoping to get its own permanent opposition force for training, this time in orbit. Specifically, the service is looking at sending up satellites into space to serve as ...

WASHINGTON — Orbit Fab, a startup developing infrastructure to refuel satellites in space, said its docking mechanism for transferring propellant has been qualified for flight after completing a ...

On-demand cargo delivery from orbit? Sierra Space wants to make it a reality with its new "Ghost" concept. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...