A single fossil skull, partially trapped in rock, reveals a new species of bird called Falcatakely and its very unusual beak.

A single fossil skull, partially trapped in rock, reveals a new species of bird called Falcatakely and its very unusual beak.

A new, yet-unnamed species of Rickettsia has turned up in dogs. Researchers now want to know if can affect people, too.

The discovery that gentoo penguins are actually four distinct species has important implications for their conservation.

Researchers have discovered a new species of wasp with a role in an insect horror story playing out on the stems and leaves of oak trees.

A newly described species of crab, Leptarma biju, is a noctural tree-climber. Perhaps that's why explorers hadn't noticed it before.

The discovery of a new species of giant isopod "is an indication of just how little we know about the oceans."

A new species of bacteria, one that makes its home on the relatively hot and dry surface of a solar panel, was discovered recently at the Arnold Arboretum, offering a lesson that nature’s reach extends even to the artificial.