Are new approaches to recreating long-lost animals simply creating imitations?

Alcohol is the third-leading preventable cause of cancer in the US, accounting for tens of thousands of cancer deaths per year.

Microbes could pump out oxygen on Mars.

These big fish get most of their food from the ocean’s “twilight zone,” a deep, dark region the commercial fishing industry is eyeing with interest.

The question of whether viruses are alive or dead is a controversial one in science.

The question of whether viruses are alive or dead is a controversial one in science.

Multilevel selection is a controversial concept originally proposed by Darwin. A new study found evidence for it in the wild in a group of marmots scientists have been observing for more than 60 years.

The research may enable the design of synthetic, light-activated cells for wound healing or drug delivery.

Males and females differing in body size is a common outcome of sexual selection.