Monisha Ravisetti was a science writer at CNET. She covered climate change, space rockets, mathematical puzzles, dinosaur bones, black holes, supernovas, and sometimes, the drama of philosophical ...

The disk contains enough mass to potentially assemble a multitude of Jupiter-sized planets. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Scientists say the James Webb Space Telescope has captured an unprecedented look inside a butterfly nebula, revealing matter around a dying star. The international space community, consisting of NASA, ...