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At least nine beavers and a vole have been found dead in Utah after an unusual outbreak of tularemia, also known as rabbit fever, which can infect and kill humans, cats and dogs. Experts warn people to be wary of ticks, which can transmit the disease across species.

The James Webb Space Telescope discovered an inexplicably dense galaxy inside an "Einstein ring" last year. Now, researchers think they can explain this cosmic conundrum.

Charred human remains and ornaments found at a Maya temple were part of a ritual.

"Undead" cells in the placenta that spew proteins may help explain cases of heart failure that happen in late pregnancy and the early postpartum period.

A new study of vertebrate evolution reveals that we have more in common with spooky-looking fish called lampreys than we thought.

With the nature of the universe's two most elusive components up for debate, physicists have proposed a radical idea: Invisible particles called tachyons, which break causality and move faster than light, may dominate the cosmos.

An analysis of a lava tube in Saudi Arabia reveals that humans have lived there for at least 7,000 years.

Newly discovered ichthyosaur that lived 200 million years ago in the Triassic sea is potentially the biggest to ever live, scientists say.

Modern Japanese people largely originated from three ancestral groups and carry ancient DNA that may influence their risk of developing certain diseases, genetic analyses suggest.