Robuta

Dec 8, 2025 - New images of two novae are 'like going from a grainy black-and-white photo to high-definition video.’

For all the havoc it plays with galaxies, not much is known about whether dark matter can interact with itself other than through gravity.

Scientists are closing in on the mysterious origins of ancient dust grains that are older than Earth's solar system, and may have formed from exploding stars.

Astronomers have obtained remarkably detailed images of two stellar explosions -- called novae -- just days after they began. The new observations