Forty years ago, Americans were shocked when the space shuttle Challenger exploded 73 seconds after it launched on a chilly ...

The seven crew members of the Challenger mission were explorers united in their pursuit of dreams and education, and are remembered for their legacy of pushing science forward.

From the tournaments to the players, a guide to why this circuit is such a crucial pathway to the top of professional tennis.

On Jan. 28, 1986, America witnessed a tragedy: the explosion of Space Shuttle Challenger in the blue skies over Florida. The ...

Jan. 28 marks 40 years since the Challenger exploded seconds after liftoff. Brian Yocono and Amanda Hill take a look back at ...