Two top scientific journals said Tuesday they were mulling whether to publish details of a man-made mutant killer flu virus that has sparked concerns of mass deaths if it were released.
PARIS — A body of water as big as North America's Great Lakes could lie beneath Europa, a shining enigmatic moon of Jupiter, astronomers reported on Wednesday.
Plague germs teased from mediaeval cadavers in a London cemetery have shed light on why the bacterium that unleashed the Black Death was so lethal and spawned later waves of epidemics.
PARIS -- Scientists at CERN said they had trapped dozens of hydrogen "antimatter" atoms, a technical feat that boosts research into one of the great puzzles of particle physics.
PARIS  Scientists reported Wednesday the discovery of an extinct predator sperm whale with jaws and teeth so huge it probably hunted other whales not less than half its size.