Let's turn the sun into a telescope. In fact, we don't have to do any work—we just have to be in the right spot.

Now, using the James Webb Space Telescope (JWST), astronomers may have cracked this puzzle, finding the first evidence of a supermassive black hole at the heart of M83, also known as NGC 5236 ...

And it did so right in the middle of an odd sort of telescope that was partway through construction. In a paper published in Nature this week, the scientists in charge of KM3Net discuss how they ...