Most Emailed Science News

GENEVA - Scientists are preparing the world's largest atom smasher to explore the depths of matter after successfully restarting the $10 billion machine following more than a year of repairs.

NEW ORLEANS - The creatures living in the depths of the ocean are as weird and outlandish as the creations in a Dr. Seuss book: tentacled transparent sea cucumbers, primitive "dumbos" that flap ear-like fins, and tubeworms that feed on oil deposits.

WASHINGTON - Since the 1997 international accord to fight global warming, climate change has worsened and accelerated — beyond some of the grimmest of warnings made back then.

LONDON - Computer hackers have broken into a server at a well-respected climate change research center in Britain and posted hundreds of private e-mails and documents online — stoking debate over whether some scientists have overstated the case for man-made climate change.

MORELIA, Mexico (AFP) - The mysterious Monarch butterfly, which migrates en masse annually between Canada and Mexico, is now facing a new peril: another insect thriving in Western Mexican forests.

It may be the mother lode of all bad timing: Atlantis shuttle astronaut Randy Bresnik is stuck at the International Space Station, hundreds of miles from his pregnant wife Rebecca, who is expected to give birth to a baby girl as early as today.

That tuna in your sushi might be an endangered species, a new study finds.

Winston Churchill once predicted that it would be possible to grow chicken breasts and wings more efficiently without having to keep an actual chicken. And in fact scientists have since figured out how to grow tiny nuggets of lab meat and say it will one day be possible to produce steaks in vats, sans any livestock.

RYLSTONE, Australia (AFP) - Hundreds of residents in eastern Australia were on alert Sunday as out-of-control wildfires fanned by soaring temperatures and windy conditions threatened properties, officials said.

CAPE CANAVERAL, Fla. - Astronaut Randolph Bresnik jubilantly welcomed his new daughter into the world Sunday as he floated 220 miles above it.

Grandma doesn't spend much time online - but she would be better off if she did, researchers agree.

The deep sea is teeming with thousands of species that have never known sunlight, explorers now say.

We all know dogs like to smell just about everything, including other animals' poo. Now scientists have figured out how to put the canines' odd pastimes to work to help sniff out the dung of endangered rhinos in Vietnam.

KONSTANTINOVKA, Ukraine - Vladimir Gapor is a plumber by trade, but now he's a scavenger, prying bits of scrap steel from the ruins of his old factory and selling them for a pittance.

Humans can be difficult enough patients, but try a 300-pound gorilla.

GUATEMALA CITY (AFP) - Central American nations will demand 105 billion dollars from industrialized countries for damages caused by global warming, the region's representatives said on Friday.

GENEVA (Reuters) - After a year's delay, scientists at the world's biggest accelerator have restarted an experiment to recreate "Big Bang" conditions that had sparked suggestions the earth would be sucked in by millions of black holes.

It's no secret to students that coed dorms are more fun than same-sex dorms. But they can also fuel very unhealthy behavior that might otherwise be moderated.

LONDON - A leading climate change scientist whose private e-mails are included in thousands of documents that were stolen by hackers and posted online said Sunday the leaks may have been aimed at undermining next month's global climate summit in Denmark.

PARIS (AFP) - The East Antarctic icesheet, once seen as largely unaffected by global warming, has lost billions of tonnes of ice since 2006 and could boost sea levels in the future, according to a new study.

DALI, China (AFP) - In the mountains above the southwestern Chinese town of Dali, dozens of new wind turbines dot the landscape -- a symbol of the country's sky-high ambitions for clean, green energy.

Robot spy planes are harnessing alternative energy to make them more covert and longer lasting than ever.

TOKYO (AFP) - Japanese marine researchers said on Tuesday they had found and successfully filmed a young coelacanth -- a rare type of fish known as "a living fossil" -- in deep water off Indonesia.

New images show the "last meal" of a giant cannibal galaxy as it gobbles down a smaller spiral galaxy, which has been twisted and warped from being devoured.

WASHINGTON (Reuters) - Federal officials are investigating a radiation leak at Three Mile Island, scene of the worst U.S. nuclear power accident, but said on Sunday there was no threat to public health or safety.

Recently there has been increased concern over hundreds of "pro-eating disorder" Web sites that provide "thinspiration" to legions of young women who want to become stick-thin. These sites provide an online community to swap tips on how to fast, disguise disordered eating, and generally "encourage" anorexia (though people don't really need to look far for information on dieting tips or how not to eat).

A fireball over Utah overnight Tuesday was the talk of the state. And an asteroid that could have delivered nearly half the energy of the Hiroshima atom bomb whizzed past Earth earlier this month, NASA reported recently. Meanwhile, a meteor shower dazzled skywatchers around the globe early Tuesday morning.

DHAKA, Bangladesh - The mother who gave up conjoined Bangladeshi newborn twins for adoption said Saturday she is overjoyed the toddlers have been successfully separated and wants them to grow up in Australia.

Editor's Note: This is the last in a 10-part LiveScience series on the origin, evolution and future of the human species and the mysteries that remain to be solved.

Scientists have zeroed in on one apparent key to long life: an inherited cellular repair mechanism that thwarts aging and perhaps helps prevent disease. Researches say the finding could lead to anti-aging drugs.