What drives us to send probes throughout the solar system and rovers and landers to Mars? It's not cheap, and it's not easy.

Scientists created transgenic mice with woolly mammoth–like traits. But does it really bring us closer to bringing back woolly mammoths?

Six gas valves, shown here as yellow-pink puffs, provided the most effective cooling in highly sophisticated computer models created using a PPPL computer code known as M3D-C1. This code creates ...

A study comparing people in monogamous relationships with those in non-monogamous ones has found that both types are on par insofar as relationship and sexual satisfaction are concerned.

Advice from an English teacher in Massachusetts for guiding teenagers to think critically but not cynically about the information they consume. By David Nurenberg This collection of interactive ...