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NASA launches Roman Space Telescope to explore dark energy and distant worlds

NASA's Nancy Grace Roman Space Telescope is on a mission to probe dark energy, hunt for distant worlds and transform our view of the universe

Dark matter experiment catches quietest neutrino ever measured

The XENONnT experiment, in its hunt for dark matter, has detected the rare, feeble glow of neutrinos smacking into electrons

What’s next for NASA’s new Roman Space Telescope?

After a flawless launch, the Nancy Grace Roman Space Telescope is on a mission to solve some of the universe's biggest mysteries

Coral Reefs Are Running Out of Time to Recover, Research Finds

QUINN GLABICKI

Rising sea temperatures mean reefs don’t have enough time to bounce back between intense heat waves, a new report warns.

Study A.I. Consciousness? The Bots Would Like a Word With You.

CADE METZ

Given access to email, A.I. agents have started reaching out to the philosophers and researchers exploring deep questions about them.

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.