Deep sea bacteria spurn the Sun, instead using Earth's internal heat for photosynthesis

Deep sea bacteria found that use the glow of Earth's internal heat for photosynthesis

Last week, Science Twitter was all abuzz about a paper that came out in the Proceedings of the National Academy of Sciences about a bacterium found at the ocean floor off the coast of Mexico. It was first tweeted by planetary scientist Michael Malaska:

It took me a second to take this in, but when I grokked it I gasped. I hadn't heard of anything quite like this (despite the paper being published in 2005), ...