NASA's Mercury-orbiting spacecraft, Messenger, is going out with a bang this week, adding a hefty crater to the little planet closest to the sun.
Hubble, it's your turn to smile for the cameras!
NASA's Solar Probe Plus mission—which will fly closer to the sun than any spacecraft has before—reached a major milestone last month when it successfully completed its Critical Design Review, or CDR.
The public has until Friday, April 24 to help name new features on Pluto and its orbiting satellites as they are discovered by NASA's New Horizons mission.
NASA's groundbreaking science mission to retrieve a sample from an ancient space rock has moved closer to fruition. The Origins Spectral Interpretation Resource Identification Security Regolith Explorer (OSIRIS-REx) mission ...
Sean Solomon, director of Columbia University's Lamont-Doherty Earth Observatory, has been leading NASA's MESSENGER mission to Mercury for the last four years. MESSENGER is the first spacecraft to orbit Mercury.
An American astronaut and a Russian cosmonaut are moving into the International Space Station this week and staying for an entire year.
A NASA spacecraft called Dawn is about to become the first mission to orbit a dwarf planet when it slips into orbit Friday around Ceres, the most massive body in the asteroid belt.
Meteorologists sometimes struggle to accurately predict the weather here on Earth, but now we can find out how cloudy it is on planets outside our solar system, thanks to researchers at MIT.
This week marked the completion of an important step on the path to spacecraft assembly, test, and launch operations for the Origins Spectral Interpretation Resource Identification Security Regolith Explorer or OSIRIS-REx ...