For decades, Americans sprayed the notorious pesticide DDT all over their homes and fields. But it turns out we may have known about — and ignored — a safer alternative used by the Nazi regime.

The net famously failed to work as planned last year. Now, a new version is making waves.

Some scientists think there may be a hidden, second form of life living right under our noses.

The FDA calls out creators of genetically tweaked hornless bulls.

Octopuses are known to rapidly change colors during sleep, but it's still unclear whether they dream like humans do.

What a visit to a natural history museum shows us about evolution.

In his book, Earth Emotions, Glenn Albrecht coins "psychoterratic."

Trees rising from the canvas to the sky.

Barbara J. King on animal emotions, anthropomorphism, and the future of the planet.

Humpbacks swap songs at remote group of islands in the South Pacific.

Contrary to popular belief, the Amazon rainforest does not produce 20% of our planet's oxygen.

Is it time to take the idea of panspermia more seriously?

They experience reality differently than we do.

What makes a life worth living as you grow older?

The loss of elephants accelerates climate change.

A transformational tool for the future of the world.

Our relationship with water still matters.

Just how much do we need to damage the earth before we change our ways?

The synthetic chemicals — called PFAS — never break down naturally.

The third in a three-part series on the history of research on the origin of life.

We think of self-actualization as a lofty goal, but research suggests it may just be another way of obeying our biological programming.

The second in a three-part series on the history of research on the origin of life.

The first in a three-part series on the history of research on the origin of life.

Cognitive psychologist Donald Hoffman hypothesizes we evolved to experience a collective delusion — not objective reality.

Atop hundreds of bus stops, rest stops for bees.

The goal is to eventually grow a human pancreas in a larger animal – such as a pig – which can be transplanted.

Tiger reserves and a concentrated public effort has brought this animal roaring back to India.

Fionn Ferreira will receive $50,000 for winning Google's annual student competition.

The ultimate goal is to grow organs inside animals that could be transplanted into humans.

It's only the second pocket shark specimen ever discovered.