A nasal spray that contains esketamine — a potent derivative of ketamine — can now be taken on its own to treat adults with severe depression, the FDA says. Here's what that means.

The remains of Alexander the Great may lie under the streets of Alexandria, they may have been "eaten by a shark," or they ...

Alexander the Great died at age 32, but his cause of death is unclear. What killed him has been a long-standing source of ...

The Rašaška site is part of the larger settlement of Bobare, which was owned in the early Middle Ages by the Knights Templar, ...

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The gigantic coronal hole is blasting high-speed solar wind toward Earth, potentially igniting vibrant auroras and minor ...

Rather than helping each other out when they're attacked, plants may have to eavesdrop on each other to know when to launch ...

A mechanism that activates specific muscles in our ears is a leftover from our evolutionary past, back when our ancestors depended more on their hearing for survival.

Upheaval Dome is a giant rock formation in southeastern Utah with two potential origin stories, although most scientists think it was created by an ancient meteor strike.

While parallel universes are a staple of science fiction, there are some real scientific theories to support them. But if ...

A woman with heart failure was kept alive long enough to receive a heart transplant, in part thanks to newly developed ...