Video: Prehistoric Croc Was Mammal-likeAugust 05, 2010 – Fossils of an ancient crocodile show that it had mammal-like teeth and legs, and that it probably lived most of its life on land.
Evolution in Action: Lizard Moving From Eggs to Live BirthSeptember 01, 2010 – A skink species lays eggs on the coast but births babies in the mountains, giving a rare glimpse at how placentas evolved, scientists say.
Solar Storm Headed for Earth Tonight; May Spawn AurorasAugust 05, 2010 – A huge eruption on the sun may trigger auroras tonight, and the light show could be more widely visible than normal, astronomers say.
Photos: Cameras "Trap" Hairy-Nosed Otter, More RaritiesJuly 26, 2010 – The hairy-nosed otter—long thought locally extinct—and a stink badger are among rare mammals "caught" by camera traps in a Borneo forest.
Oil-Spill Fears Subside at Rig-Explosion SiteApril 23, 2010 – Oil has stopped flowing at the site of yesterday's rig sinking, but the incident may fuel opposition to a key U.S. climate bill.
Alligator "Feeding Frenzy" Video Shows TeamworkJuly 28, 2010 – In a new viral video a fisher boats through hundreds of hyped-up alligators. Despite their snapping, the gators show true teamwork, experts say.
Pictures: Secret Tunnel Explored in Pharaoh's TombJuly 08, 2010 – Archaeologists have finally discovered what lies at the end of a tunnel leading steeply downward from a 3,300-year-old royal tomb.
Photos: Leaking Nuclear Waste Fills Former Salt MineJuly 09, 2010 – More than a hundred thousand barrels of radioactive waste are to be removed from "the most problematic nuclear facility in Europe"—a first.
Urban ThreatsOctober 09, 2009 – Urbanization spurs a unique set of issues to both humans and animals.
Chimp Gangs Kill to Expand TerritoryJune 21, 2010 – Some gangs of chimpanzees beat their neighbors to death to gain lucrative parcels of land, according to a ten-year study in Uganda.
Lunar Eclipse Saturday to Appear Red?June 27, 2010 – A partial eclipse of the full moon tomorrow may get an added boost of red color from recent eruptions of the Iceland volcano, astronomers say.
Hunchback Dinosaur Found: Carnivorous "Camel"September 10, 2010 – The otherwise fearsome new one-ton predator sported an odd hunchback and scrawny feather precursors, puzzling scientists.
Global Warming "Undeniable," U.S. Government Report SaysJuly 29, 2010 – The past decade was the hottest on record, a government report says—part of an "unmistakable upward trend."
New Leviathan Whale Was Prehistoric "Jaws"? (Pictures)June 30, 2010 – A newfound prehistoric sperm whale with giant teeth likely attacked other whales—and possibly giant sharks, scientists say.
Mammoth-Belch Deficit Caused Prehistoric Cooling?June 05, 2010 – By killing off woolly mammoths and other Ice Age megamammals, humans may have sparked a thousand-year cooling event, a new study says.
Human Sperm Gene Traced to Dawn of Animal EvolutionJuly 16, 2010 – The gene responsible for sperm in all sexual creatures dates to the beginning of animal evolution—and may be a key to the elusive male birth control pill, a new study says.