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Star clusters form from outside in, not inside out, study says
Astronomers studied two clusters where sun-like stars are still forming. Both clusters had older stars on their outskirts than toward their centers.
May 8, 2014
Nearest hypervelocity star found speeding through space at 1 million mph
Astronomers think hypervelocity stars happen when the galaxy's central back hole captures one of two stars in a binary system and slingshots the other out of the galaxy.
May 7, 2014
Rainbow rings of Saturn
Turquoise-hued rings of Saturn contain particles of nearly pure water ice, while reddish rings contain ice particles with more contaminants.
May 7, 2014
Are we ready for contact with extraterrestrial intelligence?
Do we need a greater or different kind of awareness of the cosmos in order to make contact with extraterrestrial civilizations?
May 6, 2014
Bright daytime meteor seen over Canada and U.S. Northeast
People in the U.S. Northeast and Canada began reporting a bright daytime meteor on the afternoon of May 4, 2014. Photos and some dashcam videos here.
May 5, 2014
See Uranus from Saturn
Looking beyond the rings of Saturn, Uranus is that tiny blue dot in the upper left in this first ever image of the planet, taken by NASA's Cassini spacecraft.
May 1, 2014
Entire star cluster thrown out of its galaxy
Galaxy M87 has thrown an entire star cluster toward us at two million miles per hour. The cluster's fate, scientists say, is to drift through the void between the galaxies for all time.
May 1, 2014
Exoplanet’s day lasts only 8 hours
The length of an exoplanet's day has been measured for first time.
Planet Beta Pictoris b, 63 light-years away, is 16 times larger and 3,000 times more massive than the Earth, yet a day on the planet only lasts 8 hours.
April 30, 2014
See it! Photos and video of partial solar eclipse of April 29
Check out these photos and video of the April 29 partial solar eclipse.
April 29, 2014
Growing lettuce in space
A new space-faring lettuce is taking root on the International Space Station. Its name is "Outregeous."
April 28, 2014
