The interstellar comet 3I/ATLAS does not come from our corner of the Milky Way, and may be a time capsule of the early galaxy, new research into its trajectory hints.

The snakes stayed large and thrived even when cooling temperatures and shrinking habitats killed off other giant reptiles millions of years ago.

For the first time, researchers measured singularities in combined light and sound waves moving faster than the speed of light. The findings have implications in fluid dynamics, optics and many…