Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...
NASA's Curiosity rover photographed remnants of rippling waves in an ancient Martian lakebed, proving that the Red Planet had ...
NASA scientists have detected a star and trailing exoplanet that may be sailing through the Milky Way with unprecedented ...
Trans-Neptunian objects (TNOs) are icy bodies that vary widely in size, from large dwarf planets like Pluto and Eris—each ...
Four planets will be widely visible to the naked eye through part of February, but calling them a 'planetary alignment' may not be the full picture.
Scientists have discovered a potentially record-breaking fast planetary system, with a star and possible exoplanet moving at ...
The agency announced on Monday afternoon (Feb. 10) that it has picked SpaceX to launch Pandora, a 716-pound (325-kilogram) ...