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The day Earth smiled, a global moment of cosmic self-awareness
NASA's Cassini spacecraft will be photographing Earth through the rings of Saturn on Friday, July 19, and - if you're in the Americas - you can join the shot.
July 19, 2013
Do two suns make planets more suitable for life?
The answer could change estimates of the number of planets harboring life in our galaxy and help select future targets in the search for life.
July 19, 2013
New discovery about neutrinos
The discovery could ultimately help scientists explain why the universe contains matter but very little antimatter.
July 19, 2013
Link between stars’ ages and their orbits
Astronomers have determined the orbital motion of two distinct populations of stars in an ancient globular star cluster, offering proof they formed at different times.
July 19, 2013
Last night’s moon: Two great pics
A large waxing gibbous moon is lighting up the evening sky now, heading for another supermoon on July 22.
July 19, 2013
Earth’s gold came from colliding dead stars
Unlike elements like carbon or iron, gold has to be born in a cataclysmic event – like the short gamma-ray burst (GRB) that happened last month.
July 17, 2013
A gas cloud is sweeping past the Milky Way’s central black hole
Astronomers are observing the "noodle effect" as the black hole's powerful gravity stretches and elongates the cloud.
July 17, 2013
NASA Hubble finds new Neptune moon
NASA's Hubble Space Telescope has discovered a new moon orbiting the distant blue-green planet Neptune, the 14th known to be circling the giant planet.
July 15, 2013
Video: Washing your hair in space
Astronaut Karen Nyberg - currently aboard the International Space Station - demonstrates how one washes long hair in space.
July 11, 2013
