The drag marks and footprints were discovered in present-day New Mexico. Researchers say they're some of the earliest known ...
Strong to severe thunderstorms bringing the potential for tornadoes are expected across portions of Florida this weekend and into Monday.
Tracks and footprints found in New Mexico are by far the earliest evidence of people using primitive vehicles to transport things ...
Now, researchers have uncovered something even more remarkable: a set of puzzling linear traces — long, straight grooves in ...