SpaceThe Ring Nebula glows green in a stunning new JWST image A new image of the Ring Nebula from the James Webb Space Telescope is revealing its intricate internal structure, which could help us learn what the sun will look like when it dies News
PhysicsSupersonic cracks seem to be breaking the laws of physics An experiment with elastic gels broke the theoretical speed limit for how fast cracks can move through materials, raising new questions about the physics of fractures News