Scientists estimate the dinosaur Dreadnoughtus schrani would have weighed as much as a Boeing 737.
Salvador Dalí and Thomas Edison took very brief naps when they were stuck on artistic and scientific problems.
Fifty years ago this week, legislation set aside over nine million acres of official wilderness.
A former millionaire's estate is becoming an environmental haven and training ground.
Researchers found that potentially 95 percent of cab rides in New York City could have been shared.
In his new book What If?, xkcd comic artist Randall Munroe answers his reader’s hypothetical questions with math and science.