Brit astronomers reveal sizzling cosmic tryst!
A planet newly found in the southern sky is perilously close to its star, orbiting in less than 1 Earth day. Within 10 years, this planet may force a new understanding of star-guts. More »
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Pop goes the super supernova
Small stars can hang around for billions of years and slowly fade away, but large stars have a spectacular way to wave goodbye. When a large star collapses, it can start a new round of nuclear fusion...
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The importance of being Einstein
Gravity is a drag… and Einstein’s right again! ENLARGE Photo: Albert-Einstein-Archiv, Jerusalem, Lucien Chavan Albert, Einstein was a patent clerk in 1905, the year he published his first paper on...
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Ancient hole, black hole
Beacons from the newborn universe ENLARGE Image: NASA/CXC/U.Hawaii/E.Treister et al A 4-million second exposure from the Chandra X-ray Observatory is the deepest X-ray image ever obtained. Most of...
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Running out of space
Spaced out? Launch problems accelerate UPDATE 27 APRIL 2012: The retired space shuttle Enterprise will fly over New York City today, aboard a jumbo jet, as part of the move to its final resting place...
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Chasing neutrinos at the South Pole
Nice: IceCube Complete! 2010 marked the completion of a bizarre telescope composed mainly of ancient ice. One billion tons of ice. ENLARGE Photo: Forest Banks/NSF The South Pole Station and the IceCube...
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Dunewatching, Martian style
This just in! Sand dunes are cruising on Mars! Fact: The surface of Mars shows massive erosion and huge fields of sand dunes. Problem: Mars hasn’t had liquid water for more than a billion years. High...
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Light at night: Mixed blessing!
Summer = long days, short nights But with the steady advance of lighting, we may be the last generation to know that. Whether seen from ground or space, lights glare from the cities and suburbs,...
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Galactic rays
Get the jet! Big things you can see—like a beam of light half a million light years long — need big explanations. Ditto for big things you can’t see — like a black hole holding the mass of a billion...
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Space messengers: Private or public?
Space rocks falling down. Time for a meteorite hunt? The biggest meteorite in a century struck Chelyabinsk, Russia, on Feb. 15, when an asteroid about 55 feet (17 meters) across, with a mass of 10,000...
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