WASHINGTON - They lived on a remote dot of land in the middle of the Pacific, 2,300 miles (3,700 km) west of South America and 1,100 miles (1,770 km) from the closest island, erecting huge stone figures that still stare enigmatically from the hillsides.
WASHINGTON - In a bleak, treeless landscape high in the southern Peruvian Andes, bands of intrepid Ice Age people hunkered down in rudimentary dwellings and withstood frigid weather, thin air and other hardships.
LONDON - As researchers from Africa to China to America race to develop vaccines and treatments to fight Ebola, health experts are grappling with the economics of a disease that until this year had been off the drug industry's radar.
ASNIERES France - Two French entrepreneurs have launched a portable device to test for the presence of pork in food for use by Muslims who abide by dietary laws.
WASHINGTON - In July 1965, two gigantic fossilized dinosaur arms replete with menacing claws were unearthed in the remote southern Gobi desert of Mongolia. Measuring 8 feet (2.4 meters), they were the longest arms of any known bipedal creature in Earth's history.
- Two Russian cosmonauts wrapped up a speedy, 3 -1/2-hour spacewalk outside the International Space Station on Wednesday to replace science experiments and jettison two unneeded antennas. | Video
NEW YORK - A comet from the outer reaches of the solar system on Sunday made a rare, close pass by Mars where a fleet of robotic science probes were poised for studies.
ATHENS - Archaeologists unearthed the missing head of one of the two sphinxes found guarding the entrance of an ancient tomb in Greece's northeast, as the diggers made their way into the monument's inner chambers, the culture ministry said on Tuesday.
TEL AVIV - Personal genetics company 23andMe and Israel's MyHeritage said on Tuesday they would collaborate to enable people to discover their heritage based on genetic ancestry and documented family history.
NEW YORK - A New York City hospital is running Ebola tests on a healthcare worker with Doctors Without Borders who returned to the United States from West Africa and developed a fever and gastrointestinal symptoms, the city health department said on Thursday.