Planets that have weird and extreme tilts on their axis could maintain habitability, regardless of their distance from their stars.
Today’s SpaceX launch may have a primary mission of delivering supplies to the ISS, but its secondary goal is to return the rocket safely to Earth to a gentle landing and reuse.
Although it’s been a source of contention, scientists now believe that Gusev Crater on Mars (which was explored by the Spirit rover) once held a lake full of liquid water.
We salute you, whoever had the brilliant idea of strapping cameras onto rockets to get a first-person view of a violent trip to space.
If we’re going to spread the human species to the stars, we’ll need a lot of people on starships to colonize new planets. Seriously, a lot.
Whether or not you voted in NASA's second annual Tournament: Earth, you can still feel good about the image that won, because it's gorgeous.
To save money and create a fleet of repairable and updatable satellites, DARPA's Phoenix project is going to send robots into outer space with the necessary equipment to build them.
The Moon is not a disco ball. But if it was, life on Earth would be a non. Stop. Party.
We think of Project Vanguard as America's first failed satellite launch attempt, but the program was much more than one public explosion.
NASA’s Cassini spacecraft discovers an underground liquid ocean on Enceladus, one of Saturn’s moons.