Chinese researchers have done the seemingly impossible: observed and recorded an instance of ball lightning completely by accident. And it bodes well for a decade-old theory about the nature of the conundrum.
The U.S. space agency is launching a new mission tasked with getting a better understanding the sun's ultraviolet emissions and their impact on Earth.
Thought to have the potential for liquid water, the three planets are close to Gliese 667C, a star about 22 light-years from home.
Crave's Eric Mack recently trekked to the top of Hawaii's Mauna Kea volcano to visit one of the most advanced observatories on Earth, the "eyes of humanity" in the middle of the Pacific.
NASA's Mars Atmosphere and Volatile Evolution -- MAVEN -- spacecraft starts a 10-month voyage to the Red Planet to study how the martian atmosphere has changed over time.
European astronomers discover the closest-known exoplanet found so far, and it comes with a few surprises. Like, it's a little warmer than our planet.
Five-ton spectrometer can see through cosmic dust to the most distant and faintest galaxies, letting scientists study the large-scale structure of the universe.
Astronomers at the ESO in Europe conclude that there are tens of billions of rocky planets in potentially habitable zones in our galaxy.
Astronaut Mike Massimino, confounded by a stripped screw, deliberately tears away a handrail inside the Hubble Space Telescope to clear the way for a successful instrument repair.
NASA gears up for the May 12 launch of space shuttle Atlantis on a long-awaited five-spacewalk mission to give the Hubble Space Telescope a new lease on life.