Six planets are linking up in the sky at the end of February, and most will be visible to the naked eye. It's what's known as a planetary parade, which happens when multiple planets appear to line up in the...

According to new research published in the Journal of Psychopharmacology, moderate doses of the compound are linked to reduced anxiety, while higher doses tend to produce antidepressant-like effects and increase signs of new neural connections. These findings help clarify how different...

Could a Moroccan cave hold a crucial piece of the puzzle of human origins? Hominin fossils dating back 773,000 years discovered in the country are bringing new evidence to the debate about the last common ancestor of present-day humans (Homo...

A preference for pairings between male Neanderthals and female Homo sapiens may answer the question of why there are "Neanderthal deserts" in human chromosomes. The study was published Thursday (Feb. 26) in the journal Science.