NASA's Curiosity rover touched down on Mars early Monday morning, setting off a worldwide celebration.
Video: NASA Lands Car-Sized Rover Near Martian Mountain
Mars Party of the Decade Reaches Fever Pitch
Black holes have the size and mass to devour entire stars, although this has never been observed--until now.
Scientists are beginning to understand how thunder clouds produce powerful gamma rays--and antimatter.
Early in the morning on August 12th, you'll be able to see the Perseid meteor shower, named for the constellation Perseus.
Perseid Meteor Shower Weather Forecast
EarthSky’s Meteor Shower Guide for 2012
NASA recently granted three companies 1.1 billion dollars to develop private space taxis, which will ferry astronauts to and from low-Earth orbit.
NASA Press Release