NASA's Mars rovers have already made inroads on Martian soil. The next realm to explore may well be the sky with the addition of low-flying scout helicopters.
Microsoft introduces an augmented-reality headset that NASA plans to use to roam a virtual Mars starting later this year.
The Solar Dynamics Observatory celebrates five years of sun-worshipping by releasing its impressive 100 millionth image of our closest star.
The SpaceX CEO wants to build a satellite network high above Earth that would speed up the Internet and bring access to underserved communities. And he'll use the profits to help colonize Mars.
After a nine-year journey, NASA's New Horizons spacecraft has kicked off its mission to explore everyone's favorite dwarf planet, Pluto.
Photos from orbit show the plucky probe landed right where it was supposed to.
You don't have to duck, but a good-sized asteroid will make a fairly close flyby of Earth at the end of the month.
NASA reports are all crew members are currently safe in the Russian section of the ISS, but work to determine the cause of the alarm is ongoing.
No, it's not Snoopy's long-lost cousin; it's a spaceship that hasn't been seen or heard from in more than 10 years. News to be released on Friday might change that.
The first big comet-spotting opportunity of the year is already under way. Here's how to head outside this month to spy a steaming space rock called Lovejoy.
NASA's VolcanoBot is a brave little machine on wheels that doesn't mind diving into fissures and lava tubes for science.
A video fly-through of a high-definition image of the Andromeda Galaxy helps put the vastness of the universe in perspective.
Join CNET for an exclusive live-stream chat with Google Lunar XPrize teams
Five representatives from the finalist Milestone teams will tell us how they plan to get to the moon and win $30 million next year. You won't want to miss this exclusive CNET event.