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.

Suzetrigine prevents pain signals from reaching the brain and doesn't give an opioid-like high, making it non-addictive—but ...

The drug, shown to be almost as effective as opioids for short-term pain, is the first fundamentally new kind of painkiller ...

ZYN, the popular brand of flavored nicotine pouches, recently earned FDA authorization for reducing smoking, but some ...

SINGAPORE – The bird, barely the size of a human palm, struggled in the mesh net hanging between two wooden poles on Pulau Ubin, the biodiversity haven located off Singapore’s eastern coast.

The idea of life continuing on Earth without humans has a way of catching our attention. Our species has spread across land and sea, altering the planet in countless ways. Still, Earth’s history shows ...

A new human species, Homo juluensis, has been proposed based on fossils from eastern Asia, dating back 300,000 to 50,000 years ago, possibly including the Denisovans. This research uses a novel method ...

But scientists have long assumed that bacteria can’t survive in the human brain. The powerful blood-brain barrier, the thinking goes, keeps the organ mostly free from outside invaders.

Our ancient primate ancestors gave birth to twins. Modern humans overwhelmingly birth just a single child — a rather large child with an even larger head. Human brain and body size is certainly ...

In contrast, humans do not simply accumulate knowledge, but constantly reinvent and expand its boundaries. Morgan explains that human openness allows us to visualize and execute complex sequences ...

Ants and humans competed in navigating a maze with a large load. While humans outperformed individually, ant groups excelled collectively, showing strategic coordination and persistence. The study ...