CANBERRA, Australia (AP) - Scientists have confirmed for the first time that Australia was once home to a dinosaur that was big, fast and terrifying, and they've named it like something from an Arnold Schwarzenegger movie. Meet the Australovenator.

The beast was a 1,100 pound (500 kilogram) meat-eating predator with three sla...

WASHINGTON (AP) - Like the wool sweater that emerges from the dryer a size too small, global warming seems to be shrinking sheep.

On average, wild Soay sheep on Scotland's island Hirta are 5 percent smaller today than they were in 1985, according to a team of researchers led by Tim Coulson of Imperial College London....

WASHINGTON (AP) - El Nino may have a split personality.

The warming of the tropical Pacific Ocean has long been known to affect weather around the world, but researchers now say it may come in two forms with different impacts.

The traditional El Nino tends to reduce the number of Atlantic hurricanes. But a form Georg...

BANGKOK, Thailand (AP) - Fossils recently discovered in Myanmar could prove that the common ancestors of humans, monkeys and apes evolved from primates in Asia, rather than Africa, researchers contend in a study released Wednesday.

However, other scientists said that the finding, while significant, won't end the debate over...

GENEVA (AP) - Governments are failing to stem a rapid decline in biodiversity that is now threatening extinction for almost half the world's coral reef species, a third of amphibians and a quarter of mammals, a leading environmental group warned Thursday.

"Life on Earth is under serious threat," the International...

CAPE CANAVERAL, Fla. (AP) - To NASA's relief, a fueling test on space shuttle Endeavour uncovered no hydrogen gas leaks Wednesday and paved the way for another launch attempt late next week for the delayed mission.

Last month, potentially dangerous leaks of hydrogen gas thwarted back-to-back launch attempts.

"Nothing in this b...

CHICAGO (AP) - An 84-year-old University of Chicago researcher has won a half-million-dollar genetics prize for her pioneering work in showing that cancer is a genetic disease.

Dr. Janet Davison Rowley on Wednesday was named the 2009 winner of the Peter and Patricia Gruber Foundation's 2009 genetics prize for her ...

SPOKANE, Wash. (AP) - Fans of the giant Palouse earthworm are once again seeking federal protection for the rare, sweet-smelling species that spits at predators.

They filed a petition Tuesday with the U.S. Fish and Wildlife Service requesting the worm be protected as an endangered species.

"The giant Palouse earthworm is...

PASADENA, Calif. (AP) - The U.S. and European spacecraft Ulysses has ended its more than 18-year mission to explore and research the region of space above the poles of the sun.

A statement from NASA's Jet Propulsion Laboratory in Pasadena says Ulysses followed programmed commands Tuesday afternoon that ceased its operation...

WASHINGTON (AP) - Like a car salesman pushing a luxury vehicle that the customer no longer can afford, NASA has pulled out of its back pocket a deal for a cheaper ride to the moon.

It won't be as powerful, and its design is a little dated. Think of it as a base-model Ford station wagon instead of a tricked-out Cadill...