The Cool Down on MSN

California scientists scanned 3I/ATLAS for alien tech, and found only Earth-based noise

"Eventually, our own Voyager spacecraft will be extraterrestrial artifacts in other stellar systems." ...
Morning Overview on MSN

Webb found one side of a distant planet is a different world from the other

The hot Jupiter WASP-39 b, a gas giant orbiting so close to its star that one face permanently bakes in stellar radiation while the other stays in shadow, has two atmospheric profiles so different ...