Most dangerous asteroids don’t come with warning signs, and some are almost impossible to spot until it’s too late.

Ohio University is ranked among the Best Global Universities by U.S. News & World Report, with its physics program among the best in the world. Students explore yesterday, today and tomorrow in search ...

Stargazers could be in for one of the brightest celestial shows of the year, with a nighttime display building toward its most dramatic moment. The event is already underway, but its strongest burst ...

The outer planets of the solar system are swarmed by ice-wrapped moons. Some of these, such as Saturn's moon Enceladus, are known to have oceans of liquid water between the ice shell and the rocky ...