Video: How Arms Trafficking Actually Works [36:16]

On this day in 1917, one of the largest non-nuclear man-made explosions occurred in Halifax, Nova Scotia

NASA delays first crewed flight to the moon in over 50 years

3D scans of giant hailstones reveal surprising discoveries that could help predict future storms

Video: Butterflies Shouldn’t Remember Being Caterpillars (But They Do) [6:44]

How lead exposure became the Notre-Dame fire’s toxic legacy

How worried should we be about Disease X?

Glow-in-the-dark wood passively lights homes or parks

Video: This Giant Space Flower Could Help Us Find A New Earth [7:21]

The Secret of Orange Cats Finally Uncovered After 60-Year Search

Astrophotographer captures colorful portrait of the Lion Nebula in a glowing field of hydrogen gas

Archaeological dig at Notre-Dame unearths 2,000 years of history

Behind the scenes of the Baltimore bridge collapse

Incredibly Detailed Snowflakes by Alexey Kljatov

Ancient Mesopotamian People Felt Love in Their Liver and Anger in Their Feet

Video: How scientists are creating real-life invisibility cloaks [5:34]

In North Carolina, a Black farmer purchased the plantation where his ancestors were enslaved

Six hours under martial law in Seoul

How a Country’s Economy Was Siphoned Dry

Scientists Have Discovered a Simple Brain Circuit That Controls When You Eat

Study: Lead exposure in 20th century affected mental health of millions

Indian state bans eating beef in public

Scientists Solve a 40-Year Quantum Mystery That Could Change Electronics Forever

Horse Domestication Story Gets a Surprising Rewrite

Diamonds are forever? World-first carbon-14 diamond battery made

Orcas start wearing dead salmon hats again after ditching the trend for 37 years

Striking drone image of young sharks hunting fish wins photo competition

Mapping the Gravitational Wave Universe

Watch: Toyota’s humanoid robot breaks world record for longest basketball shot

Video: ‘I tracked down my WhatsApp crypto scammers’ [25:02]

NEOWISE, the NASA mission that cataloged objects around Earth for over a decade, has come to an end

A Giant Short-Faced Bear Once Stood 11 Feet Tall During the Ice Age

Lasers Are Making It Easier to Find Buried Land Mines

A Mysterious Shipwreck Rests Just 20 Feet Below the Surface. It May Be Connected to Vasco da Gama’s Final Voyage

100 years ago today an innocuous Dutch trader delivered a very consequential contract to Waterlow & Sons in London

Video: What if we made a camera that sees in reverse? [23:02]

How to live on the edge of a disappearing coastline

93-year-old YouTuber back in business after being kicked off platform over porn allegation

Asleep at the Wheel in the Headlight Brightness Wars

On this day in 1958, a heavily modified airplane flew out of Las Vegas with a single objective: Don’t land.

Archaeologists Found an Ancient Temple Hidden in the Heart of a Cliff

Video: Around the world in 20 days… in a balloon [04:07]

Video: America’s First Guided Missile and How it Changed Warfare [11:17]

Meet the Women Who Stood by History’s Darkest Figures

‘Accidental discovery’ creates candidate for universal memory — a weird semiconductor that consumes a billion times less power

What to know about South Korea’s short-lived and chaotic period of martial law

Video: How are these fires burning underground? [4:28]

Video: But what if we tried MORE power? [4:01]

NASA’s nuclear-powered Dragonfly helicopter will ride a SpaceX Falcon Heavy rocket toward Saturn moon Titan

Ancient Venus Didn’t Have Oceans After All

James Webb Space Telescope smashes its own record to find the earliest galaxies that ever existed

Bear-leather shoes and Roman ‘good-luck’ coins: The lost worlds emerging from glaciers

A Man of Parts and Learning: Francis Williams Gets His Due

Early Expeditions to Antarctica: Rare Photos from the 1900s-1920s

Video: When the Amazon Flowed Backwards [12:21]

Looking back: NASA’s intentionally unstable, reverse-wing X-29

The indigenous women saving India’s endangered giant yams

13 marvelous images from the European Wildlife Photographer of the Year awards

Barbarian warriors in Roman times used stimulants in battle, findings suggest

The Tragedy that Transformed the Chicano Movement