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Earth from Saturn in 2006
The Cassini spacecraft has been orbiting Saturn since 2004. It captured this image of Earth, seen through Saturn's rings, in 2006, from nearly a billion miles away.
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
Ice age figurine’s head found
University of Tübingen archaeologists put new and old finds together to reassemble ancient work of art.
July 18, 2013
New evidence for warm-blooded dinosaurs
University of Adelaide research has shown new evidence that dinosaurs were warm-blooded like birds and mammals, not cold-blooded like reptiles as commonly believed.
July 18, 2013
In U.S., June 2013 ranked 15th warmest June on record
U.S. temps in June 2013 were 2 degrees above 20th Century average. U.S. West was fighting wildfires while the U.S. East saw below average temps and rain, rain, rain.
July 18, 2013
An aurora, and the start of meteor season
The sun is in an active part of its 11-year cycle, so auroras have been frequent. Meanwhile, summer meteor season in the Northern Hemisphere is gearing up.
July 18, 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
Toothpick floats on sound waves
Researchers are able to make particles, liquid droplets, and even toothpicks fly in mid-air by letting them ride on acoustic waves. For the first time, they can also control their movement.
July 17, 2013
Thresher sharks use powerful tail-slaps to hunt prey
Scientists studied sharks near Pescador Island in the Philippines. They found the sharks using tail-slaps to stun and capture wild sardines.
July 17, 2013
