For the very first week of Wolverine challenges in Chapter 2, Season 4 of Fortnite, the game tasks players with investigating “mysterious claw marks.” I wonder whose claw marks those could be?

STRANGE patterns spotted on the surface of Mars look like claw marks left by a cosmic kitty. The crisscrossing grooves were captured by the European Space Agency's Mars Express orbiter and ...

Tracks found in early Carboniferous-period rocks in southeast Australia appear to be from an amniote, most likely a reptile.

Archaeologists exploring the Cueva del Arco reopened a sealed passageway into a huge cavern and discovered 27,000-year-old claw marks. Photo from the University of Murcia Through a small rocky ...