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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

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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

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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

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AI can predict when massive rogue waves will strike next

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

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

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

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

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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

Hackers spent 2+ years looting secrets of chipmaker NXP before being detected

What is the ‘sunk cost fallacy’? Is it ever a good thing?

Meet Strange Metals: Where Electricity May Flow Without Electrons

The world’s most powerful lasers attempting to unlock the secrets of the cosmos

How spacewalks can affect astronauts’ hands

Generating Power on Earth From the Coldness of Deep Space

Cats have driven many species to extinction. Experts share tactics for reducing feline destruction

The Low Down on the Greatest Dictionary Collection in the World

What Today’s Migrant Crisis Looks Like to a Holocaust Refugee

Brazil’s mysterious tunnels made by giant sloths

Historian debunks claims that Coco Chanel served in the French Resistance

World’s biggest iceberg moving beyond Antarctic waters

The electronic noses designed to prevent food poisoning

‘I gave birth at 45. I didn’t know what it could cost me.’

How NASA Keeps Ingenuity Going After More than 50 Flights

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You can’t even pay people to have more kids

Super-hot Mercury may have glaciers at its pole

Tyrian purple: The lost ancient pigment that was more valuable than gold

Why Won’t Governments Regulate AI?

European Basket-Making Is at Least 9,500 Years Old, When It Was Used to Hold Hunter Gatherers’ Valuables

Redeeming the Old Maid

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Complex, volatile coast makes preparing for tsunamis tough in Alaska

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‘I’m Serving Life in Prison. It’s a Slow-Motion Death Sentence’