Stellary Starry Universe

Sungrazing Comet Lovejoy has shocked astronomers by surviving its "death plunge" into the sun. Must-see movies of the comet's passage through the sun's atmosphere are featured in today's story from Science@NASA.

In a significant milestone on the road to finding Earth's "twin" elsewhere in the galaxy, NASA's Kepler mission has confirmed its first planet in the habitable zone of a distant Sun-like star.

In a significant milestone on the road to finding Earth's "twin" elsewhere in the galaxy, NASA's Kepler mission has confirmed its first planet in the habitable zone of a distant Sun-like star.

In a significant milestone on the road to finding Earth's "twin" elsewhere in the galaxy, NASA's Kepler mission has confirmed its first planet in the habitable zone of a distant Sun-like star.

NASA has just released new movies of an "inky-dark" solar explosion that continues to puzzle experts more than a month after it happened.