11-Million-Year-Old Weird Worm Lizard  A profile view of the skull of an 11.6 million-year-old worm lizard, recons...
Mars Opposition: Close Encounter with  Mars as observed by the Hubble Space Telescope in 1997. Over the past few ...
Saturn's Moon Enceladus Has Undergrou  A high-resolution view of Enceladus' vast "tiger stripes" (fissures that ve...
Kamikaze Moon Probe to Carry out Risk  Artist impression of NASA's LADEE moon satellite that has completed its pri...
How Pterosaurs Ruled the Skies Above   Thalassodromeus sethi had a crest three times larger than the entire rest o...
Texas 'Chupacabra' Turns Out to Be Im  A man in Ratcliffe, Texas, claims he captured what could be the legendary c...
Killer Whales on Valium: Common Pract  An orca at SeaWorld watches a photographer from underwater. A killer wha...
Space Missions Turn Astronauts' Heart  Astronaut Carlos I. Noriega, mission specialist, waves during the second of...
Mars: The Muddy Red Planet? HiRISE image of a distinctive flow deposit southwest of Cerberus Fossae on ...
Monster Black Hole Reveals its Pearly  A massive black hole has, for the first time, revealed its bling — a strin...

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