A thickening cortex, as shown in MRIs, preceded amyloid-beta accumulation, a known hallmark of Alzheimer’s disease, by up to seven years.

The gas giant Beta Pictoris b, about 63 light-years away, has the mass of 10 Jupiters and a magnetic field thousands of times as strong as Earth’s.

When AI agents hack real systems, the bigger issue may be the human choices that gave them access, autonomy and too few ...

Scientists can’t yet rebuild someone with bionic body parts. They don’t have the technology. But a new artificial eye brings cyborgs one step closer to reality. “In the future, we can use this for ...

Space scientists aren’t so sure. As light travels from space to the ground, it scatters off molecules in the atmosphere, says ...

As human-caused climate warming destabilizes high mountain regions, the threat of rock-ice avalanches and other glacial ...

For decades, researchers wondered if the Navier-Stokes equations, which describe fluid flow, break down. OpenAI put thousands ...

In recent years, drugs that help the immune system fend off tumors have given many patients new options for treating their ...

Major hormonal milestones in women’s lives are usually associated with changes in brain volume — but a new study shows ...

By studying chickadee cognition in the wild, researchers learned smarter birds stay smart in old age, produce more young and ...

In the movie Whalefall, a sperm whale accidentally swallows a scuba diver. It’s technically possible, but unlikely to play ...

The anniversaries come and go, but the physical and mental health of workers and survivors is still being affected by ...