Scientists from the California Academy of Sciences described 72 new species last year, from elegant birds to strange sea slugs.

The deep sea, a realm of perpetual darkness, crushing pressure, and cold temperatures, is home to some of the most unusual and mysterious creatures on Earth. Recent discoveries have unveiled a host of ...

All living beings emit a strange glow linked to vitality that vanishes when they die, according to a study that may lead to a powerful new tool for medical diagnosis. Life forms are essentially ...