When you really want to get away from it all, sometimes even a remote island isn’t remote enough. Thankfully, if a clutch of ...

After years of work building an exquisitely sensitive instrument, University of Chicago scientists stood and watched as it flew up and out of sight into the fiercely blue Antarctic sky. Launched on ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. What is beyond outer space? – Siah, age 11, ...

US officials say they hope the talks spur greater transparency from China in particular about satellite operations.

Outer space has emerged as the world's next battlefield, demonstrated by recent cyberattacks on satellites blamed on Russia. Here, China's Long March 2F rocket blasts off at the Jiuquan Satellite ...

You've explored outer space and battled aliens alone, but now it's time to buddy up with the best co-op space games to play with friends. When you purchase through links on our site, we may earn an ...

Right above you is the sky – or as scientists would call it, the atmosphere. It extends about 20 miles (32 kilometers) above the Earth. Floating around the atmosphere is a mixture of molecules – tiny ...