WASHINGTON A fossilized skull of a small critter found in Utah underneath a dinosaur foot bone is providing insight into one of the most primitive mammalian groups and has scientists rethinking the timing of the break-up of Earth's bygone supercontinent Pangaea.
LONDON A global team of scientists plans to scour the icy depths of Loch Ness next month using environmental DNA (eDNA) in an experiment that may discover whether Scotland's fabled monster really does, or did, exist.
WASHINGTON An "alien asteroid" that circles the sun in the giant gas planet Jupiter's orbital path, but hurtling in the opposite direction, is the first-known permanent resident of our solar system that astronomers have concluded originated in another star system.
SHANGHAI China launched a relay satellite early on Monday designed to establish a communication link between earth and a planned lunar probe that will explore the dark side of the moon, the official Xinhua news agency said. | Video
WASHINGTON A fresh examination of Chinese ceramics and other cargo from an important Java Sea shipwreck has led researchers to conclude that the vessel sank a century earlier than previously thought, providing insight into Asia's maritime trade more than 800 years ago.
BEIJING China launched its first privately developed rocket from a launchpad in northwestern China on Thursday, state media said, the latest milestone in the country's ambitious space exploration program.
WASHINGTON After detecting a whiff of oxygen, astronomers have determined that stars in a faraway galaxy formed 250 million years after the Big Bang -- a rather short time in cosmic terms -- in a finding that sheds light on conditions in the early universe.
WASHINGTON A group of lizards inhabiting the island of New Guinea boasts one of the most exotic traits of any animal: green blood. And scientists have been trying hard to figure out what benefit this characteristic -- caused by high levels of an ordinarily toxic green bile pigment -- may give them.
WASHINGTON A new look at old data is giving scientists a fresh reason to view Europa, a moon of Jupiter, as a leading candidate in the search for life beyond Earth, with evidence of water plumes shooting into space.
LONDON Stephen Hawking's family have invited time travelers to his memorial service, seeking to tackle one of the curiosities that eluded the British physicist during his extraordinary life.
CHICAGO U.S. health authorities said on Wednesday they were preparing to send an experimental Ebola treatment to the Democratic Republic of Congo for use in a clinical trial aimed at stemming an outbreak in the country that has spread to Mbandaka, a city of about 1.5 million people.