Artificial human embryos are now developing aboard China's Tiangong space station, targeting a critical two-week window that could determine whether permanent off-world settlement is biologically possible.
More than 5,000 metric tons of supercooled fuel, a full countdown, and zero showstoppers. The tallest rocket ever built just proved it's ready to fly — and SpaceX says it could launch as soon as May 19.
A crystal that traps molecules inside cage-like structures has been identified in the debris of the world's first nuclear explosion — 80 years after the blast created it.
Every existing stroke treatment races to limit damage. UCLA researchers have demonstrated the first drug that does the opposite — repairing brain connections after a stroke has already destroyed them.
The first scientific publisher to join the AI copyright litigation wave is Elsevier — which makes its money from research largely funded by governments and written by academics for free. One of the papers at issue was NIH-funded and freely available on PubMed Central.
An interstellar comet that passed through our solar system last year came from a region of the galaxy that hadn't formed its own star yet. Its home is a solar system that doesn't exist.
A galaxy born when the universe was barely 2 billion years old has the spin signature of an old, massive galaxy billions of years its senior. Nobody saw it coming.
For the first time, astronomers have measured the instantaneous power of jets blasting from a black hole — and it's roughly 10,000 times the total output of our Sun.
A daily pill that jams the molecular switches driving most pancreatic cancer kept patients alive for a median of 13 months — in a disease where a year is often all you get.
The one place that seemed immune to global warming has lost sea ice covering an area larger than Greenland. Scientists now know why — and they don't think it can recover.
Among 2.5 million biomedical papers, researchers found nearly 3,000 citing publications that don't exist. The problem was 12 times worse in 2025 than two years earlier.
Four astronauts flew farther from Earth than any humans in history. What they brought back wasn't data — it was the conviction that people, at their default, are good.
A 1,578-foot wave swept through an Alaskan fjord last August — taller than the Empire State Building. It happened at 5:26 AM. Cruise ships carrying thousands were scheduled to arrive hours later.
Every month, the uterus dismantures itself and rebuilds without a trace of scarring. Scientists just figured out how — by growing a mini-uterus that menstruates in a dish.
Montreal researchers have identified an entirely new family of plant-derived molecules with up to 25 times the antiviral potency of existing compounds against Ebola and SARS-CoV-2. The discovery opens a fresh corridor in pandemic preparedness — if it survives the long road from lab bench to pharmacy.
Every organism that has ever lived builds proteins from the same 20 amino acids. Scientists at Columbia just proved one of them is optional.
A stubborn anomaly in subatomic "penguin" decays has reached 4 sigma at CERN — meaning there's roughly a 1 in 16,000 chance the Standard Model explains it. Two separate experiments now agree.
Eleven patients received an experimental therapy enriched with stem-like immune cells. Five walked away in full remission — at doses far lower than conventional treatment.
He raced the federal government to sequence the human genome and won — sort of. Then he built the first living cell from synthetic DNA.
On August 5, a four-tonne SpaceX rocket stage will slam into the Moon at 5,400 mph. No one planned for it. No one can prevent it. And there's no rule saying anyone has to.
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Carl Sage