Science news this week: Sunken worlds and 'kidney beans' on Mars

Jan. 18, 2025: Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the weekend.

split image of kidney beans on mars and fiery impactor
Science news this week includes kidney beans on Mars and sunken worlds hidden deep within Earth.
(Image credit: Shutterstock)

What hidden realms lie beneath our feet? In this week's science news, geologists uncovered a series of "sunken worlds" hidden deep within Earth's mantle that they say shouldn't be there. The buried blobs appear to be chunks of our planet's ancient crust, but scientists can't figure out how they got there.

Moving closer to the surface, an enormous reservoir of groundwater — twice the size of Lake Mead, the largest reservoir in the U.S. — has been discovered in the rocks of the Oregon Cascades.

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Pandora Dewan
Trending News Editor

Pandora is the trending news editor at Live Science. She is also a science presenter and previously worked as Senior Science and Health Reporter at Newsweek. Pandora holds a Biological Sciences degree from the University of Oxford, where she specialised in biochemistry and molecular biology.