News
'I nearly fell out of my chair': 1,800-year-old mini portrait...
The miniature bronze portrait depicts Alexander the Great with his wavy hair and crown of ram horns.
Earth from space: Trio of multicolor lakes look otherworldly...
Three closely grouped lakes in Ethiopia's Great Rift Valley have distinctly different hues thanks to a combination of unique features.
Can faking a smile make you feel happier?
Lab research often gives one answer about whether smiling can make you feel happier, but does that translate to the real world?
Space photo of the week: Bizarre 'Helix Galaxy' is unlike...
The Helix Galaxy is a rare "polar ring" galaxy found near the Big Dipper. Its odd shape and history set it apart from every other...
NASA reveals 'glass-smooth lake of cooling lava' on surface...
The volcanic surface of Jupiter's huge moon Io got a stunning close-up thanks to NASA's Juno mission.
Scientists may have pinpointed the true origin of the Hope...
Researchers suggest that the famed Golconda diamonds, including the Hope Diamond and Koh-i-noor, may have originated from a volcanic...
Why do cats' claws retract but dogs' claws don't?
Why don't dogs claws retract like felines' do?
'Uncharted territory': El Niño to flip to La Niña in what...
A quick flip from El Niño to La Niña is coming soon, but what does that mean for the U.S.?
