Why do some people feel tired all the time?

The amazing helicopter on Mars, Ingenuity, will fly no more

A Reporter’s Journey Into How the U.S. Funded the Bomb

The puzzling case of a baby who wouldn’t stop crying—then began to slip away

Mottainai: In Japan, creativity is key to a no-waste ideal

The F.D.A. Warned an Asthma Drug Could Induce Despair. Many Were Never Told.

A shallow lake in Canada could reveal how life on Earth began

What Can We Hear in Space?

Ukraine fatigue: ‘why I’m fighting to stop the world forgetting us’

A Wild Claim about the Powers of Pi Creates a Transcendental Mystery

The Reason China Can’t Stop Its Decline

‘I discovered a tiny frog that lives its whole life inside one plant’

Dr Martin Luther King Jr. Was A Trekkie Who Convinced Nichelle Nichols To Stay On The Show

Japan’s SLIM moon lander photographed on the lunar surface — on its nose (image)

Can autoimmune diseases be cured? Scientists see hope at last

The Great Freight-Train Heists of the 21st Century

La Mancha Negra: Why This ‘Mysterious Black Goo’ Has Plagued Venezuela for Nearly 40 Years

This Is The Story of a Murder Trial

The dark history behind Madeira’s famous levadas

Inside the Quest to Turn Genetically Engineered Immune Cells Into An Anti-Aging Remedy

The decommissioning of the Joint European Torus near Oxford, UK

Unlocking Reason: How the Deaf Created Their Own System of Communication

Video: The Truth About Boston Dynamics’ Robot Dog [12:04]

A newly identified ‘Hell chicken’ species suggests dinosaurs weren’t sliding toward extinction before the fateful asteroid hit

Physicists Just Learned Something Major About the Proton

The Woman Who Spent Five Hundred Days in a Cave

Fire Destroys 4,000 Paintings at Abkhazia’s National Art Gallery

Will NASA’s Next Super Telescope Finally Find Alien Life?

As Missiles Strike, a Radio Station Broadcasts the Rage of a Battered City

When conditions cool down, a bacterial prey species becomes the predator

Japan’s Moon Lander Could Still Be Saved, And Lots of Data Has Been Received

The Best Neighborhoods for Starting a Life in the Galaxy

The Periodic Table Just Got a Cheat Sheet: Discover the Ten Electron Rule

The Secrets of the Sea Hidden High in the Andes

Gene Therapy Allows an 11-Year-Old Boy to Hear for the First Time

Are cavities ‘contagious’? Tooth-decay yeast can pass from moms to babies

Watch chameleon erupt in color ‘as if uttering her last words’ in her final moments before death

What Could the Extremely Large Telescope See at Proxima Centauri’s Planet?

Why does AI being good at math matter?

The discovery of the Americas’ long-lost ‘Rome’

Alcohol and drugs rewire your brain by changing how your genes work – research is investigating how to counteract addiction’s effects

Fighting Cancer With Quantum Computing

Hubble Sees Stunning Spiral Galaxy: IC 438

The Part of the Brain That Controls Movement Also Guides Feelings

‘Collective mind’ bridges societal divides − psychology research explores how watching the same thing can bring people together

The Largest Dam Removal Project in U.S. History Begins Final Stretch, Welcoming Salmon Home

The physics of an 18th-century fire engine

Chemists Have Just Tied The Tightest Knot Ever, Made of Just 54 Atoms

The mysterious life of Antarctic phytoplankton

Video: Tragopan pheasants’ colorful courtship displays [02:02]

Scientists trap krypton atoms to form one-dimensional gas

Video: Inside a Microwave at 80,000fps [14:55]

New Theory Suggests Chatbots Can Understand Text

Another Mysterious Roman Dodecahedron Has Been Unearthed in England

Your brain is hard-wired to avoid exercise. Here’s why

Japan Trying to Bring Dead Moon Lander Back to Life

The strange reasons medieval people slept in cupboards

What drove a Colorado mother to flee into the Rocky Mountains with her teenage son and her sister?

You’ve Probably Passed A Nuclear Weapon On The Highway And Didn’t Even Know It

The middle finger is the human hand’s most controversial digit. Thank the ancient Greeks for that.