The dinosaurs were not in decline before the asteroid hit, a new study finds. Instead, poor fossilization conditions and unexposed late Cretaceous rock layers mean they're either not preserved or…

An ancient and enormous organism called Prototaxites, initially found to be a type of fungus, may actually be an unknown branch of life, researchers say.

NASA's Parker Solar Probe has directly observed a powerful magnetic explosion in the sun's corona that could help us predict geomagnetic storms on Earth.