Many people struggle with grogginess in the morning, a common experience known as sleep inertia. A new study published in ...

Researchers have spent the past few years watching a black hole re-awaken roughly 300 million light-years away from Earth.

In “Wake Up,” six young activists are determined to make a point. Instead, they wind up on the receiving end of one: stabbed, ...

A study published in the Journal of Personality and Social Psychology found that people who wake up at this time are often ...

The best sunrise alarm clocks help you wake up gently and start your day energized. See our top picks from Hatch, Philips, ...

The black hole at the heart of galaxy SDSS1335+0728, located 300 million light-years away, was quiet for decades as it ...