PhysicsWhy I've been somewhat obsessed with space-time this year I have been revisiting the Unruh effect, a beautiful, strange concept that describes quantum field theory in curved-space time, says Chanda Prescod-WeinsteinComment
SpaceDistant Milky Way-like galaxy is older than we thought possible The most distant Milky Way-like galaxy ever seen – a barred spiral galaxy – has been spotted by the James Webb Space Telescope and it is more than 11 billion years old News