Why America Is Just Now Learning to Love Thaddeus Stevens, the ‘Best-Hated Man’ in U.S. History

Henry Kissinger, the Devil at the Dinner Party

Video: How Inertial Navigation Changed Air, Sea & Space Travel Forever [14:52]

One identical twin went vegan while the other didn’t. See what happened

A Century Later, New Math Smooths Out General Relativity

New Yorkers feel betrayed as police radio dispatches end: ‘You’d hear about nine shootings a day’

Could Life Exist in Molecular Clouds?

Puzzling new planet is too big for its sun, challenging dominant theories of planet formation

One of the largest magnetic storms in history quantified: Aurorae covered much of the night sky from the Tropics to the Polar Regions

Do we live in a giant void? It could solve the puzzle of the universe’s expansion

Dolphins Can Sense Electric Fields, Which Isn’t That Shocking

The Man Who Invented Fifteen Hundred Necktie Knots

Video: You can’t bounce a ball under a table [12:53]

Who Doesn’t Like Music? Nabokov, For Starters

NASA’s Next Space Mission Will Rely on Centuries-Old Aviation

The Death of a Relic Hunter

Meta sues FTC, hoping to block ban on monetizing kids’ Facebook data

Rare Giant Rat Is Photographed Alive for First Time

The Evolutionary Origins of Psychedelics

Henry Kissinger’s bombing campaign likely killed hundreds of thousands of Cambodians − and set path for the ravages of the Khmer Rouge

Video: The SAT Question Everyone Got Wrong [18:24]

Here’s How Artemis Astronauts Will Navigate on the Moon

The New Quest to Control Evolution

Space junk surrounds Earth, posing a dangerous threat. But there is a way to turn the debris into opportunity

When AI Hallucinates

Video: What if we aimed the Hubble Telescope at Earth? [3:27]

Video: ‘I Explored China’s Failed $1 Billion Copy of Paris (real city)’ [20:09]

A 27,000-year-old pyramid? Controversy hits an extraordinary archaeological claim

For the First Time Since ’65, the U.S. Military Will Blast a Nuclear Reactor Into Space

Unwrapping Uranus and its icy secrets: What NASA would learn from a mission to a wild world

Video: The Hindenburg Disaster – Dining on the Zeppelin [28:47]

A Chinese Rocket Crashed Into the Moon … With a Mystery Object in Tow

A Life-Extension Drug for Big Dogs Is Getting Closer to Reality

Video: Why cheating is allowed on game shows [10:53]

Nikola Tesla’s historic Wardenclyffe lab site at risk after devastating fire

US says it foiled alleged plot to assassinate Sikh activist in New York

Video: How to Win a War with Cheap Drones [19:49]

AI can predict when massive rogue waves will strike next

Video: The Internet is Worse Than Ever [11:36]

Scientists Study What Would Happen If a Rogue Star Crashed Through Our Solar System

Video: NASA’s Lucy Mission Makes an Unexpected Discovery at Dinkinesh [1:42]

Scientists discover rare six-planet system that moves in strange synchrony

The New Orleans landmark that almost became Napoleon’s retirement home

The Nineteenth-Century Banjo

After 151 years, Popular Science will no longer offer a magazine

Megalodon and Leviathan: hyper carnivores or colossal weirdos?

The X Prize is taking aim at aging with a new $101 million award

Almost half the men surveyed think they could land a passenger plane. Experts disagree

Hossenfelder vs Goff: Do electrons exist?

For the first time, we’re seeing views of China’s entire space station

What Happens to a School Shooter’s Sister?

Dark matter may be hiding in the Large Hadron Collider’s particle jets

Next Generation Space Telescopes Could Use Deformable Mirrors to Image Earth-Sized Worlds

Scientists Intrigued by Carnivorous Fungus That Devours Worms

A father didn’t believe his daughter was dead. The hospital still harvested her organs

There Aren’t Many Galaxies Like The Milky Way Nearby. Now We Know Why

The 19th-Century Novel That Inspired a Communist Utopia on the American Frontier

Why alien life could be thriving on the “terminator line” of exoplanets

On a Single Day, Two Men Are Cleared in Decades-Old Manhattan Murders

Dust Is So Much More Than [most of us] Realize