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The Pan American Health Organization has determined that the U.S. has lost its measles elimination status, meaning domestic spread of the virus is now significant and sustained.

The mission 1.2 billion years of geological history at the Grand Canyon finally has an explanation.

Archaeologists have found a 2,200-year-old golden bear in an Iron Age burial in Kazakhstan that may have held seven people.

A 2019 astronaut photo shows the near-perfect cone of a highly active volcano poking its heavily scarred and partially snow-covered head above a thick bank of low-lying clouds over the Kuril Islands.

Julie Elie, an ethologist at the University of California, Berkeley, tells Live Science's Kenna Hughes-Castleberry about using AI to decode the vocalizations of zebra finches.

We tested the brand-new ZWO Seestar S30 Plus, an all-in-one smart telescope for beginners and hobbyists that makes astrophotography accessible to everyone.

New research shows that a powerful 2021 marsquake emanating from Valles Marineris — the largest canyon in the solar system — was triggered by unexpected movement in a fault line deep below the gigantic structure, revealing that tectonic activity can still…

Using machine learning, astronomers developed a new way of looking at James Webb telescope data that allows far-off planets to emerge from their star's glare.

A stunning fossil owl from Germany that has its last meal preserved in its stomach helped researchers to narrow down the time when these birds mostly became active at night.

About half of people with long COVID see meaningful improvement in their symptoms after three years, a new study found.

An analysis of plant fossils preserved in amber from Myanmar revealed that the West Burma Block, a chunk of crust that broke off of Australia, seeded Southeast Asia's lush tropical forests.

A half-built neutrino telescope on the floor of the Mediterranean Sea searched for cracks in one of physics' most basic invariances. It came up empty, but its limits rival those of detectors many times its size.

New findings suggest that "food challenges" can help prevent children from being saddled with unnecessary allergy diagnoses.

From dramatic lightning strikes to foreboding storm clouds, these stunning photographs capture the beauty, power and unpredictability of our planet's weather.

Scientists in the U.S. and Canada are decoding grizzly bears' behavior to learn how they navigate a human-dominated world. What they find could build a safer future for both species.

A high-status burial surprised archaeologists when they discovered leprosy in a man's bones from the fifth century.

Researchers used CT scans to crack a 400-year-old code and open a mysterious padlock that washed up in Wales with the Ann Francis treasure hoard.

Seeds found in an ancient grave and chemical compounds discovered in mummy hair have revealed people got high on marijuana 2,800 years ago.

Researchers have created a self-charging toothbrush that helps fight the bacteria linked to cavities and gum disease while preventing plaque buildup.

Magma and a possible environment for ancient life might be present on Mars in the region of a large volcano on the Red Planet.