The most important things to know when shopping for a cell phone.
When asteroid 2004 BL86 passed near Earth on January 26, it wasn't alone. A small moon came along for the ride.
The latest images from NASA's Dawn spacecraft reveal a second mysterious bright spot on the surface of Ceres. Perhaps it's a giant Ceresian welcome sign?
A new video simulation from NASA is so beautiful to watch, it's easy to forget it's tracking one of the biggest disruptors of our climate.
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.
Rallying back from a mechanical failure, the telescope helps confirm the existence of an exoplanet 2.5 times the diameter of Planet Earth.
Selfies aren't bound to our planet. Plenty of intrepid astronauts and machines have snapped eye-catching self-portraits from space.
A new report and video show how dust from an ancient lakebed in Africa is critical to plant growth on another continent.
Using the coda waves from earthquakes, geologists have discovered that our planet's core isn't quite what we thought it was.
Awww. Astronaut Leland Melvin snuck his furry best friends Jake and Scout into his official NASA photo, which quickly went viral online.