BAGHDAD - Syria has returned a marble artifact to Iraq that was stolen from one of the country's archaeological sites.
MEXICO CITY - Tropical Storm Douglas weakened to a depression off Mexico's coast on Thursday and was forecast to die at sea.
MIAMI - Tropical Storm Bertha has formed in the Atlantic Ocean off the coast of Africa.
GRAND RAPIDS, Mich. - Severe thunderstorms swept across parts of Michigan, flooding streets and cutting power to many residents.
WASHINGTON (Reuters) - Volcanic activity has played a central role in forging the surface of Mercury, scientists said on Thursday based on data collected by a NASA spacecraft that zoomed past the closest planet to the sun in January.
A NASA spacecraft's first flyby of Mercury has yielded a wealth of information about the inner-most planet, some of which confirms volcanism occurred there, settling a longstanding debate.
This story inaugurates a new monthly feature that will highlight the research undertaken by SETI Institute scientists, as well as provide an opportunity for you to join an expedition or participate directly in science or science education.
Officials are alarmed by a plunging tiger population in the Suklaphanta Wildlife Reserve in Nepal, a refuge that once boasted among the highest densities of this endangered species in the Eastern Himalayas.
PARIS (AFP) - Some endangered species may face an extinction risk that is up to a hundred times greater than previously thought, according to a study released Wednesday.
TOKYO (AFP) - Japan is ready to spare humpback whales from its Antarctic hunt for another year if international whaling talks make progress, a senior Japanese official said Wednesday.
MARTINSVILLE, Va. - Scientists with the Virginia Museum of Natural History have confirmed the discovery of a 500 million-year-old fossil called a stromatolite.
WASHINGTON - Scientists unearthed a skull of the most primitive four-legged creature in Earth's history, which should help them better understand the evolution of fish to advanced animals that walk on land.
SALT LAKE CITY - A newly discovered batch of well-preserved dinosaur bones, petrified trees and even freshwater clams in southeastern Utah could provide new clues about life in the region some 150 million years ago.
LONDON (Reuters) - Scientists have linked 32 genetic variations to Crohn's disease, a bowel disorder, highlighting the complexity of many common diseases and the difficulties facing researchers seeking treatments.
WASHINGTON (AFP) - Genes can affect whether people tend to vote in elections or not, according to a US study released this week that suggested that the urge to cast a ballot is inherited.
CHICAGO (Reuters) - The largest study ever of bird genetics has uncovered some surprising facts about the avian evolutionary tree, U.S. researchers said on Thursday, including many that are bound to ruffle some feathers.
SEOUL, South Korea - North Korea said Friday it will not take further steps to dismantle its nuclear program until the U.S. and its other negotiating partners award fuel oil and political benefits promised under an aid-for-disarmament deal.
LE CREUSOT, France - France will build a second new-generation nuclear reactor, President Nicolas Sarkozy said Thursday, pledging a "new industrial revolution" in an era in which fossil fuels have grown too expensive.
BAGHDAD (AFP) - Iraq on Thursday said it would be guided by the principle of competition when awarding contracts to global energy companies hoping to cash in on the country's vast oil and gas fields.
MEXICO CITY (Reuters) - Archeologists are opening a cave sealed for more than 30 years deep beneath a Mexican pyramid to look for clues about the mysterious collapse of one of ancient civilization's largest cities.
WASHINGTON - The archaeologists were delighted to at last find the remains of George Washington's boyhood home but got stumped when they looked for evidence of the cherry tree and rusty hatchet.
WASHINGTON - When viewed from the rest of the galaxy, the edge of our solar system appears slightly dented as if a giant hand is pushing one edge of it inward, far-traveling NASA probes reveal.