News
Why does Earth look flat if it's really round?
It's all about perspective: The higher you go, the more you can see the curve.
China aims to be 1st to bring samples back from Mars
China's planned mission to bring rock samples to Earth from Mars would beat both NASA and the European Space Agency to the punch.
Stealth destroyer 1st to carry hypersonic missiles that...
The Zumwalt-class stealth destroyers will mounted with experimental hypersonic weapon systems, but what makes this technology so lethal?
Modern human ancestors and Neanderthals mated during a...
An analysis of genomes from some of the earliest modern humans to live in Europe reveals their ancestors interbred with Neanderthals...
Our sun may be overdue for a 'superflare' stronger than...
A conceptual image of the sun launching a massive fiery plume toward Earth.
Satellites reveal stunningly detailed maps of Earth's seafloors
A newly-deployed satellite has created the most-detailed map yet of the ocean floor, finding hundreds of hills and underwater volcanoes...
How does fluoride prevent cavities?
Whether delivered in water or toothpaste, fluoride can help guard teeth against decay. But how?
Burials of 28 people Andrew Jackson enslaved found at his...
Andrew Jackson, the seventh president of the United States, enslaved hundreds of people. Archaeologists have discovered where 28 of...