The global crisis of diminishing biological diversity is challenging our current ability to monitor changes in ecosystems.

DNA shines a light back into the past, showing us things that fossils can't. But how far back can that light extend? Some of the oldest DNA sequences come from mastodon and polar bear fossils about 50 ...

We are now in the second great wave of the genetic revolution, not defined by reading the human code of life, but by rewriting it.

When Napoleon’s once invincible army limped out of Russia in winter 1812, frostbite and hunger were merely half the story.