Extreme shrinkage of summer sea ice is just the latest evidence of rapid Arctic warming — and what happens in the Arctic doesn't stay there. ...read more
Life in the Age of the Dinosaurs may explain why most mammals are born live and tiny rather than hatched from an egg. ...read more
Mega-constellations of satellites, like SpaceX's Starlink, could offer commercial navigation services with centimeter accuracy. Here's how. ...read more
A COVID-19 conspiracy theory is the latest in a long line of myths about the pineal gland ...read more
What route did the first settlers to colonize the islands of the Caribbean take? ...read more
New research adds fresh evidence for salty lakes below the red planet's south pole. ...read more