Mars, the maker of Skittles, is breaking ranks with food and beverage companies to denounce a controversial industry-funded study about sugar...

Our corner of the Milky Way galaxy may be a bigger deal than scientists thought...

SpaceX founder Elon Musk envisions 1,000 passenger ships flying en masse to Mars, 'Battlestar Galactica' style...

Hubble Space Telescope spies what appear to be water plumes on one of Jupiter's icy moons shooting up as high as 125 miles...

The world's largest radio telescope began searching for signals from stars and galaxies and, perhaps, extraterrestrial life in a project demonstrating China's rising ambitions in space and its pursuit...

China has launched its second space station in a sign of the growing sophistication of its military-backed program...

A new study finds Pluto is "spray-painting" the red poles of its big moon Charon...

If space is the final frontier, it will help to have an accurate map, and the European Space Agency says its mission to chart more than 1 billion stars in the Milky Way is on track for completion in a...

NASA's first asteroid-sampling spacecraft is on its way to space rock Bennu...

A NASA spacecraft has sent back close-up views of Jupiter, showing turbulent storms in the north pole...