Unlike how scientists believe Earth's moon formed billions of years ago, Pluto and its biggest moon, Charon, didn't have a ...
A23a weighs almost a trillion tons, and, as of August, spanned 1,418-square-miles (3,672 square kilometers), making it twice ...
The world's biggest iceberg is officially on the move ... a phenomenon where rotating water above a seamount traps objects in place. This kept A23a spinning on the spot, delaying its expected ...