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Earth’s molten iron core unexpectedly reversed direction beneath the Pacific, revealing a dramatic change in the hidden engine that creates our planet’s magnetic field. Satellite data suggest the surge is already weakening, raising the possibility that the deep-Earth upheaval is part of a mysterious...

More than 5,000 years after his death, Ötzi the Iceman is still hosting a remarkable mix of ancient and modern microorganisms. Researchers separated microbes that lived in his body during his lifetime from those that arrived after his death, uncovering traces of his original gut bacteria and cold-lo...

Summary pending review.

Habitats belonging to snakes and rare moths have been destroyed after the wildfires this summer.

Seoul's lunar orbiter captured images of the Moon before and after part of SpaceX's rocket hit its surface on Wednesday.

The launch company has "encountered an issue" and will not use a five-week window starting on Monday.

A comprehensive assessment of England's waterways is the first in six years and shows little improvement.

A mathematician working at Anthropic says he used the AI model Claude Fable 5 to uncover a remarkably simple counterexample to the Jacobian conjecture, a famous problem that has resisted mathematicians for more than a century. The result shows that the conjecture is false in three dimensions and abo...

Summary pending review.