Astronauts end space walk marred by lost tool bagAstronauts end space walk marred by lost tool bag A spacewalking astronaut accidentally let go of her tool bag Tuesday after a grease gun inside it exploded, and helplessly watched as the tote and everything inside floated away.

US biologists: 3 common pesticides harm salmon Farms and orchards that continue to use three pesticides that harm salmon will have to greatly expand buffer zones around their fields so the chemicals don't reach streams, federal biologists ruled

Schwarzenegger opens climate summit with ObamaSchwarzenegger opens climate summit with Obama Gov. Arnold Schwarzenegger opened his international climate change summit on Tuesday by upstaging himself with an even bigger political star—President-elect Barack Obama.

Color perception shifts from right brain to left Learning the name of a color changes the part of the brain that handles color perception.

Schwarzenegger opens climate change summitSchwarzenegger opens climate change summit Gov. Arnold Schwarzenegger opened his climate change summit on Tuesday by telling attendees from around the world that they can balance environmental protection with economic growth.

Ancient graves yield clues to family relationships A stone-age burial in central Germany has yielded the earliest evidence of people living together as a family.

Astronauts hitch giant crate to space stationAstronauts hitch giant crate to space station Astronauts hitched a giant shipping crate full of home improvement "goodies" to the international space station on Monday, a critical step for boosting the population in orbit.

Astronauts prepare to unpack Endeavour's cargoAstronauts prepare to unpack Endeavour's cargo Astronauts aboard the international space station and the newly arrived shuttle Endeavour planned Monday to start unpacking a new toilet and a contraption that purifies urine and sweat into drinkab

Shuttle Endeavour links with space stationShuttle Endeavour links with space station Space shuttle Endeavour linked with the international space station on Sunday, kicking off a huge home makeover that will allow twice as many astronauts to live up there beginning next year.

Endeavour heading for space station rendezvousEndeavour heading for space station rendezvous Speeding 17,000 miles an hour around Earth, space shuttle Endeavour aimed for a docking with the international space station Sunday to drop off a new housemate and deliver equipment which will chan

Astronaut outside space station loses tool bagAstronaut outside space station loses tool bag A spacewalking astronaut accidentally let go of her tool bag Tuesday after a grease gun inside it exploded, and helplessly watched as the tote and everything inside floated away.

Big hop forward: Scientists map kangaroo's DNABig hop forward: Scientists map kangaroo's DNA Taking a big hop forward in marsupial research, scientists say they have unraveled the DNA of a small kangaroo named Matilda.

Astronaut loses tool bag in spaceAstronaut loses tool bag in space A spacewalking astronaut has had a grease gun erupt in her bag, and the tote has drifted off into space.

Astronauts step outside space station for lube jobAstronauts step outside space station for lube job Two astronauts stepped outside the international space station Tuesday for an unprecedented clean and lube job on a gummed-up joint.

Archeologists say they found witch doctor skeletonArcheologists say they found witch doctor skeleton Archeologists believe a 12,000-year-old skeleton found in a grave containing 50 tortoise shells, a leopard pelvis, a cow tail and part of an eagle wing is the remains of a witch doctor.

Rare blood transfusion attempted on tiger cubRare blood transfusion attempted on tiger cub Veterinarians carried out a rare blood transfusion in an attempt to save a 7-month-old wild tiger that had been attacked and beaten by angry villagers in central India.

It's unpacking day for astronauts at space stationIt's unpacking day for astronauts at space station Monday was unpacking day for the astronauts at the international space station.

Big particle collider repairs to cost $21 million Fixing the world's largest atom smasher will cost at least 25 million francs ($21 million) and may take until early summer, its operator said Monday.

Space shuttle Endeavour docks with space stationSpace shuttle Endeavour docks with space station Space shuttle Endeavour has docked with the international space station 220 miles up.

Astronauts inspect Endeavour for any launch damageAstronauts inspect Endeavour for any launch damage Space shuttle Endeavour's astronauts unfurled a 100-foot, laser-tipped pole and surveyed their ship for any launch damage Saturday while drawing ever closer to their destination, the international

Unusual or Off-Beat

Man nabbed after hitting girlfriend with sandwich A man faces a domestic battery charge after allegedly hitting his girlfriend with a sandwich as she was driving on Interstate 95 on Friday.

Iowa zoo recaptures flamingo that flew the coop An Iowa zoo has recaptured a flamingo that flew over a Des Moines neighborhood, a golf course and the entire zoo during a 7-hour freedom flight.

Driver loses control after sneeze, hits river An untimely sneeze nearly cost Andrew Hanson his life.

Flamingo recaptured after escaping from Iowa zoo A flamingo that flew the coop at Des Moines' Blank Park Zoo has been recaptured and returned to the zoo. Zoo spokesman Terry Rich said the adult flamingo was discovered missing Tuesday morning.

Ky. inmate who escaped jail returns on own Chad Toy's escape from jail wasn't what shocked his jailers; it was his plea to be let back in.