The historic, aging ocean liner that a Florida county plans to turn into the world’s largest artificial reef has departed ...

The McDermitt Caldera, an ancient supervolcano straddling the Nevada-Oregon border, may hold the world’s largest lithium ...

Are we ready for the new male contraceptives? Is the world ready for new male contraceptives?

What is safer sex (safe sex)? Safer sex is all about protecting yourself and your partners from sexually transmitted infections. Safer sex helps you stay healthy and can even make sex better. For more ...