A federal judge has denied a proposed settlement agreement between the U.S. Fish and Wildlife Service and 10 conservation groups that would have lifted endangered species protections for wolves in Montana and Idaho.

Wildlife officials believe a bald eagle was shot and then beheaded in northeast Louisiana, and they are offering a $2,000 reward for information about the crime.

The three astronauts aboard the International Space Station no longer have to worry about a small piece of space junk heading their way.

GENEVA - The depletion of the ozone layer shielding Earth from damaging ultraviolet rays has reached an unprecedented low over the Arctic this spring because of harmful chemicals and a cold winter, the U.N. weather agency said Tuesday.

 

The...

The Web has a couple of new sudden high-flying stars.

The prospect of ever hearing from the stuck Mars rover Spirit is fading after it failed to respond to repeated calls from Earth.

The astronaut husband of wounded Rep. Gabrielle Giffords said Thursday there's a "pretty good chance" she will attend his space shuttle launch next month.

The leaf-crunching animal, about the size of a large dog, lived 260 million years ago in what is now Brazil, researchers report in Friday's edition of the journal Science.

Stink bugs, the smelly scourge of the mid-Atlantic, are hitch-hiking and gliding their way across the country.

The Berlin zoo says tests performed on celebrity polar bear Knut indicate that "significant changes" in the animal's brain led to his sudden death last weekend.

For the first time, Earth has a regular orbiting eye-in-the-sky spying on the solar system's smallest and strangest planet, Mercury.

If all goes according to plan, a NASA spacecraft will begin orbiting Mercury today for a year of studying the planet closest to the sun.