Male dinosaurs used to create giant scratch marks on rocks as a way to show off to potential mates. This finding comes from University of Colorado, Denver paleontologist, Martin Lockley, after ...

Scratches are one of those frustrating inevitabilities of car ownership. No matter how careful you are, sooner or later your vehicle will pick up a blemish. The good news is that not all scratches are ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The discovery of a series of unusual "scratch marks" on a forest ...