The solar eclipse that will cross the continental U.S. this Aug. 21 will attract a huge audience — and rightly so. The millions of people …

The world’s best-known human ancestor fossil—widely known as Lucy—likely died following a fall from a tree, according to new research. Scientists behind the study, published …

More than half of new power capacity added last year came from renewable energy sources like wind and solar power, beating fossil fuels for the …

Unchecked burning of fossil fuels could drive carbon dioxide in the atmosphere to levels unseen in 50 million years, according to a new study. Researchers …

Newly discovered footprints of five human ancestors that roamed the Earth 3.66 million years ago suggest that members of the Australopithecus afarensis species may have …

The past eight years have not been kind to people who dispute that the climate is changing. Leading scientists strengthened the case that the earth …

President Donald Trump has long threatened to pull the U.S. out of the Paris Climate Agreement. After making it a campaign promise, he’s wavered on …

IDEAS Kluger is Editor at Large for TIME. There’s been a mesmerizing kind of destructive physics at play in the appointments Donald Trump has made …

The Eta Aquarid meteor shower will be a sight to see on Friday night (and early Saturday morning) for anyone willing to stay up late …

NASA on Wednesday will make a major announcement about a new discovery it made “beyond our solar system.” The national space agency said in a …