The expedition leader, Donald B. MacMillan, wrote that his dogsled team “covered 180 miles in five days, worked hard every day and did not receive one ounce of food.”
Even at an early evolutionary stage, bird-like dinosaurs occupied different niches in the same ecosystem,
Dung beetles use light from the MIlky Way to find their way
Recently identified subspecies ranges farther than first imagined: across Africa.
An archaeologist ponders the fate of Hoover Dam