Atomic-scale detail is now possible with photons, thanks to a cooled-down silver tip and a clever use of plasmonics.

Light streaks caused by passing satellites mar images taken by the world's most expensive telescopes. The problem is set to get worse. A new type of super-black, highly resistant satellite paint ...

An artist's illustration of the longest black hole jet system ever observed. Nicknamed Porphyrion after a mythological Greek giant, these jets span roughly 7 megaparsecs, or 23 million light-years.

A prediction of the gravitational waves produced by interacting black holes achieves high precision and demonstrates the link between general relativity and geometry. Read the paper: Emergence of ...

Black holes can spin at speeds close to the speed of light. This spin affects how they pull in matter and shoot out energy. The new results suggest our galaxy’s black hole is spinning at nearly ...

At the very darkest sites on Earth, far removed from humanity’s wasted sky-directed light, that background can be as dim as 22 mag/arcsec 2. I’d love to have a moonless night with my ...