Space

NASA works on balloon-based telescope

NASA says Sun's magnetic field is about to flip

Big ice may explain Mars’ double-layer craters

Astronomers image lowest-mass exoplanet around a sun-like star

NASA showcases Ironman-like exoskeleton

NASA's Curiosity rover nears first anniversary on Mars

Water in a Martian desert

Monster galaxies lose their appetite with age

Spitzer discovers young stars with a 'hula hoop'

NASA's Cassini identifies forces controlling Saturn moon jets