It’s even up for debate whether river otters eat muskrat and beavers ... During the winter, if the ice is thin enough, river otters will break air holes in the ice to breathe.

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VERNAL — A previously unknown muskrat-sized mammal species that once roamed this area when the Intermountain West looked more like a swampland millions of years ago has been discovered through a ...

A new study highlights how some marine life could face extinction over the next century, if human-induced global warming ...

A team of paleontologists working near Rangely, Colorado, has uncovered a new (or, more accurately, very old) state resident—a fossil mammal about the size of a muskrat that may have scurried ...

A new study challenges theories regarding the origins of a significant transition through the Earth's ice ages. The research provides fresh insights into the ocean's role in climate during the ...

Black hole mergers are beautiful — and some of the most violent events in the cosmos. Here's how the process unfolds. The story begins with two black holes orbiting far from each other in long ...

As it turns out, stellar-mass and supermassive black hole coronas share geometric properties. Despite their name, black holes are often surrounded by bright, radiating whirlpools of matter known ...

It’s something you don’t think about - until you do. Why are golf courses designed to be 18 holes? Well, to begin with, they weren’t. And that story begins right where the great game of golf ...

The giant holes in galaxies’ centers shouldn’t be able to merge, yet merge they do. Scientists suggest that an unusual form of dark matter may be the solution. Galaxies have been merging into ...

SCATTERED THROUGHOUT THE UNIVERSE are ravenous black holes that pull gas, dust, light and even other black holes into their maw, never to be seen again. Like a riptide pulling swimmers out to sea ...

A surprising discovery about the black hole V404 Cygnus is expanding our understanding of black holes, the objects they can host, and the way they form. Many black holes detected to date appear to ...