Bats Raised in Helium-Rich Air Reveal a Key to Echolocation

Video: NASA’s Perseverance Rover Hears Ingenuity Mars Helicopter in Flight [2:44]

90 years ago today, a famous Kentucky colonel was involved in a shootout over an ad blocker

This week: VHS embezzlement, liquid paper origins, pandemic pet positives, and more

Saturn’s fuzzy core spreads over more than half the planet’s diameter

No, NASA photos are not evidence of fungus growing on Mars, sorry

In December 1959, Popular Mechanics spent a week with the Mercury 7 astronauts and witnessed the beginning of U.S. human spaceflight

A Giant Sequoia Is Still Burning From Last Summer’s California Wildfires

Texting patients to get a flu shot increased vaccination rates — but some messages worked better than others

A Lot of Animals in the U.S. Are About to Be Uncomfortably Full

Video: The deadly secret of the humble grapefruit [05:01]

Ruby Bridges: the six-year-old who defied a mob and desegregated her school

On this day in 1937 the Hindenburg burned

Trillions of cicadas about to emerge from underground in 15 US states

Scientists Claim to Spot Fungus Growing on Mars in NASA Rover Photos

The Lithium Gold Rush: Inside the Race to Power Electric Vehicles

Dark Energy Experiment 16 Years in the Making Could Illuminate Origin, Evolution, Fate of Universe

Is there a pattern to the universe?

Persuading the Body to Regenerate Its Limbs

‘It’s like the embers in a barbecue pit.’ Nuclear reactions are smoldering again at Chernobyl

Uniting the mysterious worlds of quantum physics and music

Quantum Double-Slit Experiment Offers Hope for Earth-Size Telescope

The Largest Cells on Earth

Can you eat cicadas? Yes, and here’s how to catch, cook and snack on them.

Tracing our past: six timelines that tell the story of the Guardian

Peloton’s leaky API let anyone grab riders’ private account data

Royal Marines test Gravity jet suit in ship boarding exercise

The Man Struck By a Particle Accelerator Beam

Shipwreck reveals surprising racial diversity of Henry VIII’s England

Researchers Create Free-Floating Animated Holograms That Bring Us One Step Closer to Star Trek’s Holodecks

Scientists Find That Cats Love to Sit Inside Squares—Even Fake Ones

3,000-Year-Old Submerged Settlement Discovered in Switzerland

Video: The First Time We Landed on Mars [5:21]

How Gravity Is a Double Copy of Other Forces

Video: Escaping Eritrea (full documentary) [53:16]

Mali woman has given birth to nine babies, says health ministry

Mammoth moth which can have 25cm wingspan found by builders working on Queensland primary school

Hoopoes’ Stinky Eggs Are Actually a Humblebrag

A rare glimpse of a star before it went supernova defies expectations

Video: How an Amateur Built the World’s Biggest Dome [3:49]

They Told Their Therapists Everything. Hackers Leaked It All

Signal Tries to Run the Most Honest Facebook Ad Campaign Ever, Immediately Gets Banned

Out-of-control Chinese rocket expected to fall to Earth in the coming days

Is “Catch Me If You Can” a true story? This book suggests it isn’t

In a First, People Had Their Brain Activity Tracked Remotely During Everyday Life

Ice microneedle patches deliver drugs, then melt away

How the ‘Queen of Thieves’ Conned French Riviera Wealthy

Before He Wrote a Thesaurus, Roget Had to Escape Napoleon’s Dragnet

Once a Covid hotspot, Italian village now intrigues researchers with ‘super-immune’ cases

Americans who grew up during oil crises drive less as adults

60 Million Stars and Not One Alien Detected

Video: Surprising images from inside North Korea [05:25]

Belgian farmer accidentally moves French border

On this day in 1988 a rocket fuel factory near Henderson, Nevada caught fire

Melting ice reveals first world war relics in Italian Alps

Life and Death on Stromboli Volcano, Lighthouse of the Mediterranean

A Brief History of Transformers (Not the Robot Kind)

Cracking the Mysteries of Venus: New Information on Planet’s Spin and Internal Structure

Instead of Betelgeuse, Keep Your eye on AG Carinae, Another Star That’s About to go Supernova

What happened to Confederate money after the Civil War?