A few blobs of lab-grown brain tissue have demonstrated a striking proof of concept: living neural circuits can be nudged toward solving a classic control problem through carefully structured feedback.
Just over half a billion years ago, Earth was rocked by a global mass extinction event, a dramatic interruption of the Cambrian explosion of life on Earth.
A nearby galaxy has been caught draining itself of star-forming fuel, with vast streams of superheated material twisting away from the supermassive black hole at its core.
The last meal eaten by a wolf cub before its demise, some 14,400 years ago, has yielded new insight into how the woolly rhinoceros disappeared from this world.
A 'boom' of light that appears when a particle exceeds the speed of light set by a medium could, in other contexts, signal a kind of quantum instability that could trigger what's known as vacuum decay.