
Are expensive binoculars really worth it?
Binoculars and other far-range optics span a gamut of price points. Here’s what separates top-tier from entry-level

Are expensive binoculars really worth it?
Binoculars and other far-range optics span a gamut of price points. Here’s what separates top-tier from entry-level
Master of chaos wins $3M math prize for ‘blowing up’ equations
‘Cocaine hippos,’ faster aging with HIV and the hidden dangers of inflammation
See the spectacular Lyrid meteor shower at its peak
Today’s 4x4 KenKen

Ancient ‘machine-gun’ damage discovered on walls of Pompeii
Why game theory could be critical in a nuclear war
How a Renaissance gambling dispute spawned probability theory
Peptides promise longevity and healing. Does the science back them up?

The hidden cause of heart disease is inflammation
How strange new ‘altermagnets’ could rewrite physics
Space hotels are coming soon
Create as many words as you can!
Stretch your math muscles with these puzzles.

Can peanut allergies be cured?
How much vitamin D do you need to stay healthy?
These cancers were beyond treatment—but might not be anymore
The dinosaurs at your window: How birds survived the asteroid that killed all other dinosaurs
The fans who went from collecting Pokémon to studying bugs and fossils
Artemis proves NASA can return to the moon. Now comes the hard question: Why?
Alexis Hall talks space whales, AI and reinventing a classic

Master of chaos wins $3M math prize for ‘blowing up’ equations
For decades, the mathematician Frank Merle has been embracing the messy math behind lasers and fluids

DARPA’s AI is built to call BS on wild weapons claims
The SciFy program tests whether adversaries’ most outlandish scientific claims add up or fall apart

What is Mythos, Anthropic’s unreleased AI model, and how worried should we be?
The company says Mythos is too dangerous to release publicly. Cybersecurity experts agree the model's capabilities matter, but not all of them are buying the most alarming claims

Mathematicians created an ‘impossible’ shape that shouldn’t exist
Scientists have designed a new kind of paradoxical shape

Songbirds reveal the dark side of making new brain cells as adults
A new study in songbirds might help explain why humans don’t generate many new brain cells, called neurons, as adults

Peptides promise longevity and healing. Does the science back them up?
The world of peptides has exploded in wellness circles, but the benefits of injecting these gray-market molecules rest on little clinical evidence