“We’ll spend some time in low-Earth orbit, then high-Earth orbit, checking things out.” The Orion capsule will then travel beyond the moon’s far side as it orbits Earth’s satellite.” ...

Who watches the watchmen and who spies on the spy satellites? It turns out it's an optical package called Morning Sparrow ...

In 1941, Isaac Asimov told the story of Solar Station No. 5, a space station that collected power from the Sun, converted it ...

A satellite in geostationary orbit matches the Earth’s rotational speed and seems to stay in place. High-Earth orbit GPS 20,200 km Mid-Earth orbit 2,000–35,780 km Low-Earth orbit 180–2,000 km ...

The series of aerobraking maneuvers utilize drag from Earth's atmosphere. This will help lower the X-37B's orbit, from its current elliptical high Earth orbit, while using minimal fuel, Space ...

Lunar Flashlight is now targeting high-Earth orbit, with monthly moon flybys. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

While private satellites help monitor Earth and connect rural and disadvantaged communities to high-speed internet, many experts argue that these benefits do not outweigh the potential risks.

If Earth’s orbit were a 26-inch bike wheel, the deviation from a perfect circle would only be the thickness of a coat of paint. Credit: Stephen Hughes / Physics Education, CC BY-SA ...

Low-orbit satellites reside in the lower layer of Earth's atmosphere, between 100 and 1,200 miles from the surface. This region of space offers limited real estate.