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Video: Superstar Eta Carinae

Eta Carinae is a double system containing the most luminous and massive star within 10,000 light-years.

Found! Mars orbiter locates lost 2003 Beagle lander

The Beagle 2 Lander, built by the U.K., and thought lost on Mars since 2003, has now been found in images from NASA's Mars Reconnaissance Orbiter.

See comparative sizes of ocean giants

This image shows the body size for 25 marine species, including whales, sharks, squids, and other ocean giants. Check out the little human swimmer in each row!

Astronomers find 8 new planets in Goldilocks zone

Two of the newly-discovered planets are the most similar to Earth of any known exoplanets to date.

New sharpest-ever view of Andromeda galaxy

The image has a staggering 1.5 billion pixels, so you'd need 600 HD television screens to display it. A piece of the image, and links to a zoomable version, here.

Slow spin of older stars key in the search for life

This is "gyrochronology," from Greek words gyros (rotation), chronos (time). It can help identify distant planets old enough for complex life to have evolved.

How to make an Earth

New evidence suggests that the basic ingredients for our Earth would likely go into making distant rocky exoplanets, orbiting other stars, as well.

Super-Earths may have long-lasting oceans

Planets with two to four times the mass of Earth are even better at establishing and maintaining oceans than our Earth, according to new research.

Can birds predict tornadoes?

Golden-winged warblers in Tennessee fled their breeding territories more than 24 hours before a tornado outbreak. What tipped them off?

Dawn spacecraft starts approach toward Ceres

The spacecraft will arrive at Ceres, a Texas-sized dwarf planet never before visited by a spacecraft, on March 6, 2015.

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