News: Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives.
Blockbuster retatrutide trial signals a ‘new high-water mark’ for weight-loss drugs
The experimental weight-loss drug is a triple agonist and the first of its kind to reach a phase 3 clinical trial
Posted on 30 September 2026 | 12:01 am
See the cool photos this Jupiter-bound spacecraft took while swinging by Earth
Juice is on its way to study Jupiter’s moons, with a little assist from Earth’s gravity
Posted on 29 September 2026 | 4:30 pm
U.S. space weapons probably aren’t what you think
Elusive, satellite-stalking spacecraft could unleash space war—or help keep orbital peace
Posted on 29 September 2026 | 4:15 pm
Tiny implants use the body as a communication network
A new system sends faint electrical pulses through tissue instead of over Bluetooth. In rats, it made the animals flex one of their hind legs on cue when one of their front paws moved
Posted on 29 September 2026 | 1:00 pm
One in eight new cancers are likely caused by infections—there’s an easy way to protect yourself
Many cancers associated with infection are preventable
Posted on 29 September 2026 | 3:30 am
NASA to attempt uncrewed and crewed missions with Boeing’s troubled Starliner spacecraft
Starliner hasn’t flown since its failed 2024 mission left two astronauts onboard the International Space Station for 286 days
Posted on 28 September 2026 | 9:45 pm
TikTok influencers are promoting a home remedy to boost the immune system that could cause botulism
No, fermenting garlic in honey is not a replacement for antibiotic or antiviral meds
Posted on 28 September 2026 | 8:30 pm
Trump announces relaxed fuel economy standards
Environmental advocates have decried the move
Posted on 28 September 2026 | 8:00 pm
Surprising result seen in primordial matter inside atom smasher
Physicists at the Relativistic Heavy Ion Collider on Long Island have seen hints of a phase transition from the early universe
Posted on 28 September 2026 | 4:20 pm
SpaceX’s Starship lifts off in make-or-break orbital test flight
The world’s largest rocket successfully entered orbit for the first time—a milestone for SpaceX and a relief for future NASA moon missions
Posted on 28 September 2026 | 2:40 pm
Growing AI energy demands, the search for subatomic particles and the hottest amoeba
From the smallest building blocks of life to prehistoric vomit and a newly discovered amoeba that can really take the heat.
Posted on 28 September 2026 | 12:00 pm
Donor hearts may take on the age of their new bodies
After transplant, young hearts in both mice and humans showed signs of accelerated aging in older bodies, while older hearts in younger bodies seemed rejuvenated
Posted on 28 September 2026 | 12:00 pm
The secret Cold War history of Tetris
The beloved game arose out of the opposing forces of the U.S. and the Soviet Union
Posted on 27 September 2026 | 1:00 pm
How a horse flu crisis fueled animals rights advocacy in the U.S.
In 1872, New York’s devastating epizootic gave the ASPCA’s young founder a powerful moral argument for animal protection
Posted on 26 September 2026 | 4:00 pm
How the body’s own immune system can attack the brain
Antibodies made by the immune system can sometimes target human brain cells, producing psychiatric symptoms. Researchers aim to better identify such rare cases as well as fine-tune treatments.
Posted on 26 September 2026 | 2:00 pm