‘A Stranger Looked Like My Twin. That Was Just the Beginning.’

Could Gravity’s Quantum Origins Explain Dark Energy?

Ancient Maya canoe found in Mexico could be more than 1,000 years old

What would happen if the speed of light was much lower?

Sikh men created a lifeline using turbans and jackets to rescue hikers at a park

60 years ago today the Soviets exploded the largest bomb ever built: 50 megatons

Hubble Space Telescope celebrates Halloween with a glowering, dying star

One of the World’s Most Iconic Salt Lakes Has Dried Up

Video: Fractal Ink Jets That Power Spiral Motion [10:39]

This fierce fish grows 20 new teeth each day

Architect Says Billionaire’s Dystopian Dorm Design Is a Dangerous Social and Psychological Experiment

Award-Winning Ecology Photos Remind Us That Nature Is Awesome—and Complicated

How Tainted Treats Led to a Halloween Tragedy in 1858

Ultrahot, ultrafast explosion called ‘the Camel’ has astronomers puzzled

Spiders are much smarter than you think

This week: 🪦 Graveyard picnicking, 🦛 sterilizing cocaine hippos, 🐨 koala chlamydia, and more!

‘Astounding’ Roman statues unearthed at Norman church ruins

What would happen if an asteroid were going to hit Earth? A NASA scientist explains.

Physicists Finally Made The Weird ‘Superionic Ice’ That Could Exist on Alien Worlds

Scientists recreated classic origin-of-life experiment and made a new discovery

The Long, Hidden History of the Viking Obsession With Werewolves

‘New hidden world’ discovered in Earth’s inner core

What Big Oil knew about climate change, in its own words

The Telescope That Will Change Astronomy

Two California Condors Had Virgin Births, Researchers Say

Virtual particles may be real particles out of phase with our reality

Jupiter’s Great Red Spot is even deeper than scientists had thought

Scientists Just Need to Follow These 7 Steps to Prove Aliens Exist

Photographer Uncovers the Soviet Underworld Below Tbilisi, Georgia

DNA reveals unexpected origins of enigmatic mummies buried in a Chinese desert

Strange Black Hole Discovered in Milky Way With a Huge Warp in Its Accretion Disc

China’s New Quantum Computer Has 1 Million Times the Power of Google’s

NASA Says We Need to Talk About What Happens When We Find Life Beyond Earth

Scientists measure the atmosphere of a planet 340 light-years away

Why do placebos work? Scientists identify key brain pathway

Is the Great Neutrino Puzzle Pointing to Multiple Missing Particles?

Why the U.S. once bombed an erupting volcano

The Secret Excavation of Jerusalem

Looking up answers online can leave us overconfident about what we know

The persistent myth of drugged Halloween candy

Are We on the Verge of Chatting with Whales?

Neutrino result heralds new chapter in physics

Perseverance rover snaps first Mars photos after communications blackout. They’re stunning.

Are huge black holes from dead galaxies roaming around the Milky Way?

Culinary Detectives Try to Recover the Formula for a Deliciously Fishy Roman Condiment

If NASA greenlights this interstellar mission, it could last 100 years

Video: Buying Organs on the Black Market [8:36]

The Forgotten Story of a Polish Spy Whose Los Angeles Trial Was a Cold War Flashpoint

Why Dragons Dominated the Landscape of Medieval Monsters

What would photosynthesis look like around other stars?

Where Transcendental Numbers Hide in Everyday Math

The secret lives of cells — as never seen before

Authorities Seize Whale Poop Worth $1 Million in Sting Operation

What Happens to Caves When Wildfires Scorch the Surface?

Sharpest ever images of live bacteria unravel the secrets of superbugs

The Bizarre Cultural History of Saliva

Video: Why Rust Batteries May Be the Future of Energy [12:01]

Quantum Cyberattacks Are Coming. This Math Can Stop Them

Type of ultraviolet light most effective at killing coronavirus is also the safest to use around people

Pupil size found to vary based on number of objects you’re looking at