Old prospector, meet the technology that could replace you.
Up close and personal with our closest galactic neighbor.
More Pluto porn, courtesy of NASA
An astronaut's photo has UFO fans—and some gullible media—in a tizzy.
It's an important step for decreasing the agency's dependency on Russian rockets.
The kids are headed to Washington, and they’re demanding action on fossil fuel emissions.
If we are going to send humans to Mars in the 2030s, it’s time we selected our digs.
Two of the ESA's Galileo positioning satellites wound up in the wrong orbit, but it's not all for naught.
The moon is caught in a cosmic chain reaction that will ultimately end in its demise