That rare physicist to make the pop-culture crossover (ever heard of Dirac?), Stephen Hawking is one of the most respected minds both within his field and among the public at large. This unique ...

Time travel has long lived in the realm of fantasy, but a growing body of research is quietly shifting it into a serious scientific conversation. Instead of DeLorean-style leaps into the past, ...

(CNN) — An international research team has successfully drilled and retrieved a 9,186-foot-long (2,800-meter-long) ice core from Antarctica that dates back 1.2 million years. The sample extended so ...