Everyone has heard of the ‘biological clock’ argument, and how women are advised to have children sooner in their lives.

U.S. astronauts who return to the moon’s surface in the years ahead for the first time in more than half a century will have ...

Solving a lunar mystery? Scientist at the University of Arizona is the lead author on research proposing a new theory for the moon's unlikely origins.

The massive asteroid hit the Earth eons ago and left glassy remnants across Southern Australia. But the crater is missing.