Astronomers Found a Hidden Swarm of Space Junk Threatening Earth’s Most Valuable Orbit

Earth’s geosynchronous orbit (GEO) holds some of the most valuable satellites that carry out tasks for phones, television, ...

The US just approved a giant space mirror to test 'sunlight on demand.' Low Earth orbit is getting weird

A giant mirror to create "sunlight on demand" was just approved by the United States Federal Communications Commission (FCC), ...

NASA aims to save a sinking space telescope with a rendezvous in orbit

NASA on Tuesday plans to launch a mission to save its Neil Gehrels Swift Observatory. A spacecraft is expected to push the telescope into a stable orbit so it doesn’t fall into the atmosphere.
Interesting Engineering on MSN

Why Earth’s orbit is becoming increasingly difficult to govern

Earth’s orbit was once treated as an open highway. Today, it is starting to ...
Astronomy

How big is Earth’s orbit around the Sun?

Earth’s orbit around the Sun is not circular, but an ellipse that is slightly elongated with an eccentricity of 0.017. (An eccentricity of 0 is a circle, while the dwarf planet Pluto has a relatively ...
CNET

Space is closer than you think: What it means to be in orbit

SpaceX has made trips to orbit routine. Satellites in orbit are vital to the modern world. Here's what you need to know about how we send things whizzing around the Earth. Stephen Shankland worked at ...