Old books can be loaded with poison. Some collectors love the thrill.

Webb telescope snapped photo of huge world — in a distant solar system

The Brothers Who Asserted Their Right to Free Speech in Tudor England

Watch: Berliners soar over the city on Europe’s highest swing

Komodo dragons have teeth coated in iron to kill prey, study finds

NASA Reveals 25 Breathtaking Space Images We’ve Never Seen Before

Earth’s hottest day on record broken twice this week

The Physics of Cold Water May Have Jump-Started Complex Life

Scientists Recreate Neanderthal Cooking Methods and the Results Are Eye-Opening

The Moon’s Most Shadowy Places Can’t Hide From NASA’s New Camera

Element 120 discovery possible after titanium beam breakthrough

How Soon Might the Atlantic Ocean Break? Two Sibling Scientists Found an Answer—and Shook the World

Tomorrow (24 July) is a local holiday, which will curtail ordinary operations. Here is a temporary alternative.

Sharks are testing positive for cocaine

VIDEO: Biscuit Basin geyser explodes, sending Yellowstone tourists packing

Chinese lunar probe finds water in moon samples

Cure for male pattern baldness given boost by sugar discovery

Mystery solved after 116 years: how the King helped prove marathon really is 26m 385yds

Hugo awards organisers reveal thousands spent on fraudulent votes to help one writer win

Video: How Baboons Led Us to a Lost Civilization [12:04]

Scientists Think They’ve Figured Out How to Build a Real-Life Tractor Beam

HIV drug could be made for just $40 a year for every patient (current cost: $42,250 for the first year)

Physicist, 98, honoured 75 years after discovery

Video: The Deadly Job of Royal Food Taster [20:06]

NASA releases never-seen-before images of Peacock galaxy 25 years after launch of Chandra X-ray Observatory

Video: Exploring Rat’s Nest cave for moonmilk, a soft popcorn-like substance with mysterious origins [05:00]

Roman Wall Built to Contain Spartacus’ Forces Discovered in Italy

A Cursed Ship and the Fate of Its Sunken Gold

‘I realised that he was after my life’: A WW1 soldier on the brutality of conflict

Deep aphantasia: What it’s like to have no visual imagination or inner voice

Astrophysicists uncover supermassive black hole/dark matter connection in solving the ‘final parsec problem’

This Little-Known Civil Rights Activist Refused to Give Up His Bus Seat Four Years Before Rosa Parks Did

How Eileen Collins burst through the glass ceiling aboard the space shuttle

The Lizard-Looking Tuatara, That Lives Up to 100 Years, Isn’t Actually a Lizard

This Bronze Age Ship Replica, Made From Reeds and Goat Hair, Just Sailed 50 Nautical Miles

When did humans get to South America? This giant shelled mammal fossil may hold clues

On this day in 1983 a Boeing 767 ran out of fuel at 41,000 feet

Astronomers are scrambling to save the world’s most powerful X-ray space telescope

Vacuum of Space to Decay Sooner Than Expected (but Still Not Soon)

Climate change is making turbulence worse

The Rich History of Ham Radio Culture

Before plunging to its death, NASA’s Cassini spacecraft saw secrets in the seas of Saturn’s moon Titan

‘We pledged not to eat each other’: the family that was shipwrecked for 38 days

Stunning Tang dynasty mural in tomb unearthed in China may portray a ‘Westerner’ man with blond hair

The Pentagon Wants to Spend $141 Billion on a Doomsday Machine

A Stranger to Oneself: The Mystery of Fetal Microchimerism

370-mile hydrogen-electric seaplane set to clean up island hopping

Time flies: Our brains perceive time more like counters than clocks

There Are More Whale Falls Off Southern California Than the Rest of the World Combined

Smell of human stress can affect dogs’ emotions, leading them to make more pessimistic choices

Video: The giant metal walls keeping London above water [5:33]

We’re building nuclear spaceships again—this time for real

When the U.S.A. Was Neutral

‘I felt the water tremble’: Ukraine’s Olympic swimmers train as bombs fall

Realism was a revolution in music, not just in literature

Metallic minerals on the deep-ocean floor split water to generate ‘dark oxygen,’ new study finds

What Does a City Get Back From Hosting the Olympics?

Study confirms forever chemicals are absorbed through the skin

Scientists Created Room-Temperature Time Crystals – What It Means

Russia’s Nuclear-Armed Spacecraft Could Supercharge Space War I