A deadly, record-setting heat wave was continuing to blast most of the eastern U.S. on Tuesday, June 24, forecasters said, with temperatures soaring to near 100 degrees for tens of millions of people.

A new study is shedding light on why solar radiation is more effective than other forms of energy at causing water to ...

A midbrain structure responsible for eye movement has been discovered that also plays a key role in cognitive perception and judgment.

Trump uses an expletive as he says both countries have fought each other for so long they don't know what they're doing.

This explorer spacecraft is heading to a rare asteroid with a naked metal core. It could hold clues to how Earth began ...