Mars changed from a blue world with water to a red desert because its atmosphere escaped into space over billions of years.

NASA's first Mars launch in more than five years will wait a little longer to get off the ground. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

We just saw a rocket land on a ship at sea — and this time, it wasn't SpaceX pulling off the epic feat. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Ever seen a sunrise from the moon? These space images will leave you marveling at our planet and our universe. Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET.