A simple core of pure iron and nickel couldn’t account for the observed properties. The Martian core must be rich in “light ...

Recent discoveries in the realm of physics have pointed to the possibility of time anomalies that challenge our current ...

Deep in Earth's past, an icy landscape became a seascape as the ice melted and the oceans rose off what is now the northeastern United States. Nearly 50 years ago, a U.S. government ship searching for ...