Scientists suspect it might be raining diamonds on Neptune and Uranus. Evidence of opal on Mars hints at a watery past. Outside our solar system, there may be rubies and sapphires too. But the gems that form within Earth still might be the most dazzling. ...read more
Roadside attraction or archaeological proof of ancient civilizations on U.S. soil? ...read more
Increasing evidence suggests that chronic inflammation takes a toll on the brain over the course of a lifetime. ...read more
At least five major ice ages have been documented in Earth's history. And guess what? You're living in an ice age right now. But don’t expect the planet to chill over from pole to pole. ...read more
How careful observation, strict reasoning and clever hypotheses guided the great human endeavor of science. ...read more
Pyramid workers were paid locals. Yet historical narratives and Hollywood films have made many believe the Jews built the pyramids while enslaved in Egypt. ...read more
India’s architectural wonder and symbol of love is turning brown and green due to pollution and neglect. ...read more
Brands are starting to embrace fungi-based leather as an alternative to animal skin. Does it live up to the sustainability claims? ...read more
Astronomers thought they detected phosphine — a gas often created by microbes — in Venus’ clouds. A new study suggests that analysis was incorrect. ...read more