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Gene-Editing Technology Offers New Ways to Create the Dogs of Our Dreams

EMILY ANTHES

Technologies like CRISPR are giving us new ways to create the dogs of our dreams — and a reason to reckon with our past mistakes.

Growth hormone peptides promise to stall aging—but does the science stack up?

Sermorelin, tesamorelin and other growth hormone peptides are being touted as antiaging elixirs, but what evidence is behind those claims?

How much should a dinosaur cost?

Fossils are selling for tens of millions of dollars at auction. But why are the ancient creatures the hot new thing for the ultrarich?

The brain, solved

The human brain has upward of 86 billion neurons, connected by some 100 trillion synapses

Bonus crossword: Tints of life

Play a bonus science crossword that ties into even more stories from the September 2026 issue of Scientific American.

Where is the Roman Telescope in space?

The Nancy Grace Roman Telescope is headed toward a Lagrange point, a critical position in outer space where gravitational forces behave in specific ways

Why the Grand Canyon flash flood was so devastating

Experts explain why the monsoon storm turned so deadly

Have we finally found dark matter?

The world's biggest dark matter search saw a particle it cannot explain

Ada Yonath, Chemist and First Israeli Woman to Receive a Nobel, Dies at 87

JONATHAN KANDELL

Her mapping of the ribosome, which led to new designs for antibiotics, faced years of derision, as many scientists saw it as a dead-end effort.

Mathematician discovers how to fold the smallest origami doughnut

How many times do you have to fold a piece of paper to make a doughnut? After decades, a mathematician has determined the most efficient technique

Nepal’s deadly debris avalanche is a warning for the rest of the world

Avalanches like the one that devastated parts of Nepal and Tibet are becoming more common thanks to climate change. Here's where else is at risk

House passes stopgap bill that pauses changes to federal science grant-making process

The proposed changes, which would have given control of science funding to appointed bureaucrats, were criticized widely by the scientific community

Scientists Hunting Dark Matter Found Something Strange

KATRINA MILLER

A lone signal from an experiment in South Dakota doesn’t fit the profile of any other known particles, physicists say.

A Data Center Backlash

DAVID GELLES

Today we visit Pennsylvania, where there’s a high-stakes clash over A.I. jobs and the environment.

New York Climate ‘Superfund’ Law Falls in Court

KAREN ZRAICK

The court said the measure, which required energy companies to pay $75 billion to the state, conflicted with federal law.