Look to the eastern sky late Thursday, and a clear horizon will show you this unusual, grinning planet alignment.

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 ...

This spectacular new image from a new telescope in Hawaii marks the moment the Red Planet reappeared over the lunar horizon — ...

That image appeared in major newspapers around the ... A black hole devours material from its galaxy, and a border known as the event horizon marks the point of no return. Photons race around ...

capturing kinematic changes near the event horizon. In the case of M87*, a longer-period dynamical timescale means that high-fidelity images collected over multiple days can be stitched together ...

Milwaukee-based Horizon Home Care & Hospice recently hosted its 18th annual Matters of the Heart Gala at The Pfister Hotel in downtown Milwaukee. The event raised $150,000 — topping last year ...

The International Space Station recently shared captivating night photos of Earth from orbit, showcasing the planet's beauty.

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 ...