This Lumberton, Texas resident witnessed the destruction of Hurricane Harvey.

Two Texas residents set out on a small motorboat to join the Hurricane Harvey rescue effort.

Hurricane Maria plowed into Puerto Rico and shattered hundreds of thousands of homes.

Hawaii’s Kilauea and Guatemala’s Fuego volcanic eruptions have been remarkably destructive.

The mysterious substance ripping our universe apart.

When the Earth formed, most of the gold sunk to its core—but some remained trapped inside Earth’s mantle.

Dr. Roberto Novoa of Stanford Medical School used a database of nearly 130,000 images from the internet to train a deep learning algorithm to identify skin cancers as accurately as his fellow dermatologists.

How do we program moral decision-making into autonomous vehicles?

Do black holes delete information forever? Or could information somehow escape them?

There are worlds beyond our own. A new explorer just left Earth to hunt for them.

Rana el Kaliouby is on a mission to humanize technology with artificial emotional intelligence.

Meet Dr. Rana el Kaliouby, the co-host of NOVA Wonders.

Guess which of these five unbelievable facts are real physics.

Kevin Esvelt is on a mission to eradicate Lyme disease on Nantucket and Martha’s Vineyard.

Physics rarely yields finite answers, but that doesn’t deter scientists.

What kind of clues led to the discovery of Dark Matter and its place in the universe?

Dark energy is spreading the universe apart—what’s it mean for astronomy in the future?