We thought it was evolution, but an experiment with pencils shows that tips like teeth and thorns may owe their rounded shape ...

For all its ancient, familiar features, the Moon is still changing—and sometimes in dramatic ways. Scientists recently ...

Three ways to reduce these collisions: influence driver behavior, influence animal behavior and separate animals from roads. “You can recover costs [of building wildlife overpass or underpass] in two ...

Comprising a planet's outermost portion, the crust is by far its most accessible part, and in the case of Earth it is of critical importance to sustaining life. However, the bewildering array of ...