However, the moon's orbit around the Earth is elliptical, so its distance from Earth varies," Hardgrove told Live Science in an email. You may like The moon: Facts about our planet's lunar companion ...

3 big hunks of space junk crash to Earth every day — and it's only going to get ... Via Satellite and Space News and served as a maternity cover science editor at the European Space Agency. ...

A stunning green aurora shimmers over Earth, with the International Space Station in the foreground. (Image credit: NASA/ Josh Cassada) When seen from Earth, auroras are nothing short of dazzling.

The confirmation makes the rock, named CNEOS 2014-01-08, the first known visitor from interstellar space, predating the famous 650-foot-wide (200 m) asteroid 'Oumuamua that zipped past Earth in ...

5,400-Pound NASA Satellite Falls Back to Earth After 38 Years in Space Amanda Kooser Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET.

A defunct, Soviet-era spacecraft is falling back to Earth uncontrolled, but experts say there’s little cause for alarm. The half-ton craft, known as Kosmos-482, was designed to land on Venus but ...

Letters to the Editor: The government might want to prioritize Earth over investing in space-related pursuits Storm clouds hang over the Jet Propulsion Laboratory in Pasadena. (Getty Images) ...