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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
A true-blue world, 63 light-years away
Earth appears blue from space because it has oceans. Planet HD 189733b appears blue because of molten glass "raindrops" blowing sideways across its surface.
July 11, 2013
Spacecraft en route to Pluto spots its largest moon
NASA’s Pluto-bound New Horizons spacecraft has spotted Pluto’s Texas-sized, ice-covered moon Charon for the first time.
July 11, 2013
As the sun moves through space …
The IBEX spacecraft has now mapped the structure of our solar system's comet-like tail. Photos in this post can help you picture how our sun carries you through space.
July 11, 2013
Video: Our solar system’s comet-like tail
Visualize the sun's tail - which space scientists call the "heliotail" - with this video.
July 11, 2013
Sun’s loops are displaying an optical illusion
New work shows that coronal loops are actually tapered, wider at the top and narrower at the ends - contrary to what our best sun photos suggest.
July 10, 2013
