The famous human ancestor known as Lucy walked the Earth, but it was her tree climbing that might have led to her demise, a new study suggests.
A "strong signal" detected by a radio telescope in Russia that is scanning the heavens for signs of extraterrestrial life has stirred interest among the scientific community.
Ethiopian women visit the Coptic Hanging Church in Old Cairo, Egypt, Sunday, Aug. 28.
A warming planet might not dry out Earth as much as previously believed, because plants will become less thirsty as carbon dioxide in the atmosphere rises, researchers said Monday.
In this image, made available by the Norwegian Environment Agency, Monday, Aug. 29, shows some of the more than 300 wild reindeer that were killed by lighting in Hardangervidda, central Norway on Friday, Aug. 26, in what wildlife officials say was a highly unusual massacre by nature.
six people who went into isolation for a year in Hawaii to help NASA plan for a mission to Mars emerged Sunday, happy to breathe fresh air and meet new people.
The six people who went into isolation for a year in Hawaii to help NASA plan for a mission to Mars emerged Sunday, happy to breathe fresh air and meet new people.
NASA's Juno space probe on Saturday passed the closest it will get to the planet Jupiter during the main phase of its planned mission to the gas giant, the U.S. space agency's officials said.
As you may have noticed, the heat wave has been vicious over the summer and it does not seem to be going away anytime soon.
Nigel Rodgers is in hell. A campaigner against piped music for decades, he stands in a shoe shop on London's Oxford Street which is blaring out loud pop music, wincing visibly.