NASA astronaut Don Pettit used a camera with low light and long duration settings to capture this Jan. 29, 2025, image of the Milky Way appearing beyond Earth's horizon.

Here's a simulation of what the Event Horizon Team thought the black hole would look like. And here's the real image. The light you see here is what's called the accretion disk. It's a disk of ...

The Blue Ghost is unique because it will capture the lunar horizon glow in stunning 4K resolution, a phenomenon last seen more than 50 years ago.

On left, this composite simulated image shows how M87* is seen by the Event Horizon Telescope at 86 GHz (red), 230 GHz (green), and 345 GHz (blue). On right, 345 GHz is seen in dark blue ...