Protoplanetary disks are the birthplaces of planets, but few discoveries have stretched scientific expectations like IRAS ...

Earthquakes do more than buckle streets and topple buildings. Seismic waves generated by earthquakes pass through the Earth, acting like a giant MRI machine and providing clues to what lies inside the ...

Astronomers have spotted a lonely world roughly the size and mass of Saturn, drifting through the Milky Way without a star to orbit. The discovery turns a once theoretical curiosity into a concrete ...