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Apr 10, 2011 at 12:37 PM
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.
Apr 8, 2011 at 6:52 AM
Tennessee's Republican-dominated House of Representatives has overwhelmingly passed a bill that would protect teachers who want to challenge the theory of human evolution.
Apr 5, 2011 at 5:04 PM
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.
Apr 5, 2011 at 10:54 AM
The three astronauts aboard the International Space Station no longer have to worry about a small piece of space junk heading their way.
Apr 5, 2011 at 8:32 AM

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.


Apr 4, 2011 at 6:53 AM
The Web has a couple of new sudden high-flying stars.
Apr 4, 2011 at 10:34 AM
NASA engineers are putting the finishing touches on a mega-rover to Mars before shipping it off to Cape Canaveral for launch later this year.
Apr 1, 2011 at 7:38 AM
Germany's celebrity polar bear Knut died from drowning after collapsing due to swelling of his brain and falling into his enclosure's pool, an expert said Friday.
Mar 29, 2011 at 8:29 AM
The prospect of ever hearing from the stuck Mars rover Spirit is fading after it failed to respond to repeated calls from Earth.
Mar 25, 2011 at 8:10 AM
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.
Mar 25, 2011 at 6:37 AM
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.
Mar 24, 2011 at 12:52 PM
Stink bugs, the smelly scourge of the mid-Atlantic, are hitch-hiking and gliding their way across the country.
Mar 22, 2011 at 8:57 AM
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.
Mar 18, 2011 at 6:19 AM
For the first time, Earth has a regular orbiting eye-in-the-sky spying on the solar system's smallest and strangest planet, Mercury.
Mar 17, 2011 at 7:42 AM
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.