By mapping the distribution of water and 'semi-heavy water' over the Martian surface, scientists have revealed that the red planet had an ancient ocean covering nearly 20 percent of its landmass.
Researchers using the Hubble space telescope took advantage of a naturally occurring zoom lens in space to capture an unprecedented quadruple image of an ancient supernova.
Engineers at NASA's Jet Propulsion Laboratory are scrambling to figure out the cause of an electrical glitch on the Mars rover Curiosity which stopped science operations cold.
For only the second time, an exoplanet living with an expansive family of four stars has been revealed.
A new computer model of our sun's magnetic field suggests the shape of our solar system's heliosphere is stranger than we ever thought.
The hunt for the source of dark matter is one of the most hotly anticipated searches of our time and the Higgs boson might be able to light the way to a possible dark matter discovery.
NASA's Dawn spacecraft is about to make its second and final stop during its exploration of the asteroid belt and it is already returning some stunning images that are creating more questions than answers.
During the Rosetta's close flyby of comet Comet 67P/Churyumov-Gerasimenko on Feb. 14, the European spacecraft snapped images of the comet's 'belly' revealing a shadow of itself surrounded by a halo.
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