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An ancient magnetic field on Mercury
Near the end of its mission, the MESSENGER spacecraft revealed Mercury's magnetic field to be at least 3.7 to 3.9 billion years old, or older.
May 12, 2015
The science behind Nepal earthquakes
Nepal sits on the boundary of the two massive tectonic plates that collided to build the Himalayas. Their ongoing convergence also means earthquakes.
May 12, 2015
7.3-magnitude earthquake strikes Nepal
Today's earthquake comes less than two weeks after a 7.9-magnitude quake left more than 8,000 dead and 18,000 injured there.
May 12, 2015
If you give an octopus a camera
... she's going to want to take a picture. An octopus at a New Zealand aquarium trains a camera on visiting tourists.
May 12, 2015
Gargantuan gas halo around Andromeda galaxy
A dark halo of gas that envelopes our neighboring Andromeda galaxy is 1,000 times more massive than previously measured and stretches halfway to the Milky Way.
May 12, 2015
Unusual rainbow over Spain
Remember the quadruple rainbow image that went viral last month? Here's an even more unusual rainbow, caused by the wave nature of light.
May 12, 2015
Closest look yet at Ceres’ bright spots
Mysterious Spot 5 - most prominent of Ceres' bright spots - is shown to consist of many smaller spots in a new image from the orbiting Dawn spacecraft.
May 11, 2015
Amazing timelapse of volcanic sunset in Zimbabwe
Last night's sunset in Zimbabwe - May 10, 2015 - made spectacular by volcanic aerosols carried across the Atlantic from Chile's Calbuco volcano.
May 11, 2015
Proposal to find and zap space debris
Tiny debris particles cause wear and tear on active satellites. A team wants to find it and zap it with a laser to cause its fall back into Earth's atmosphere.
May 11, 2015
Faster-than-light travel: Are we there yet?
There's a cosmic speed limit that unfortunately means we won't be firing up warp drive anytime soon.
May 11, 2015
