Hollywood still loves its follow-ups – here’s our round-up of 120 (and counting) sequels currently on the way. Hollywood has ...

Scientists drilled to the bottom of Greenland's 1,600-foot deep Prudhoe Dome and found it disappeared in the early Holocene, ...

Squirrels belong to a diverse family of mammals that includes tree squirrels, ground squirrels, chipmunks, prairie dogs, ...