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30 Seconds To Know
Leto Wonders if Lawrence's Falls Are an Act
Missing Nursing Student Suspect Had Long, Violent Rap Sheet
Researchers: 'Trula' Spyware May Be Russian
Fishermen, Riot Police Clash in Spain
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New 'Cosmos' Brings TV Science Full Circle
More than three decades after Carl Sagan explained the cosmos on TV, a new "Cosmos" blends fresh findings with the original series' spirit.
Twin Astronauts to Rehearse Mission to Mars
Identical twin astronauts Scott and Mark Kelly are participating in a NASA study that could help pave the way for long-term Mars missions.
Robert F. Bukaty / AP
Frozen Falls: Ice Cascades Down Maine's Ocean Cliffs
A wall of ice more than 40 feet high stretches down to the high-tide line on Otter Cliffs overlooking the Atlantic Ocean in Maine.
ANT / NHPA/Photoshot
Slimy, Spiky, Slightly Unsightly Creatures
A. Feild / STScI / NASA / ESA
Hubble Watches Asteroid Whirl Into Pieces
Astronomers watch a space rock in the main asteroid belt crumble to bits for the first time, thanks to the Hubble Space Telescope.
Ted S. Warren / AP file
Possible New Leak at Hanford Nuclear Waste Site
M. Alex Johnson
An 'unidentified material' was spotted near the oldest double-shell containment tank at the hazardous Washington state site.
X-ray: NASA/CXC/Univ of Michigan/R.C.Reis et al; Optical: NASA/STScI
Monster Black Hole Spins at Half the Speed of Light
Scientists measure the speed of a black hole for the first time, thanks to a rare line-up with a massive elliptical galaxy.
Science / AAAS
Big Impact: Martian Meteorite Mystery Solved?
How did many of the Martian meteorites found on Earth get here? Researchers believe they finally have the answer.
HANDOUT / Reuters
Neanderthals Didn't Drive Mammoths Off Cliffs
A geographical survey calls into question the theory that Neanderthals hunted mammoth herds by driving them off cliffs.
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