A balloon returned from a high-altitude flight this year covered in microscopic life forms which seemed not to be of this world - and reignited the debate over whether life on Earth actually began ...

Scientists have uncovered a “hidden chapter” in the history of human evolution and it turns out it’s much more complex than previously thought. It’s known that modern day humans, known scientifically ...

“Show me a nigger who can do a problem in Euclid or parse a Greek verb,” jeered Southern Statesman John C. Calhoun before the Civil War, “and I’ll admit he’s a human being.” Since that challenge the ...