Teeth are sensitive because they evolved from sensory tissue in both ancient vertebrates and ancient arthropods.

Researchers have recovered Homo erectus bones from the seafloor, which points to an unknown hominin population hunting on land that is now underwater in Southeast Asia.

New radio images reveal an unusually faint and symmetrical supernova remnant, nicknamed Telios, lurking just below the galactic plane of the Milky Way. However, they cannot tell exactly where it is, how big it is or how it formed.

A new analysis of a skeleton uncovered 50 years ago provides some of the earliest evidence of intergroup conflict between humans to date.

The world's second-biggest rat species — a gargantuan woolly beast — was caught on camera in the mountains of New Guinea.

A recent launch of China's Zhuque-2E rocket triggered a giant white streak of light to appear above at least seven U.S. states after deploying six satellites into low-Earth orbit. The light show, which was visible in at least seven states, was the result of a "fuel dump," experts say.