In summer, we face toward the Milky Way's hub in the Teapot constellation, home to the galaxy's supermassive black hole.

But in the past two decades, new types of black holes have been seen and astronomers are beginning to understand how they ...

The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration.

New research suggests sub-stellar objects called dark dwarfs could glow forever on dark matter energy. Could they reveal secrets about the universe’s hidden mass?

This year, the Buck Moon follows Earth's aphelion, the point in its orbit farthest from the Sun, by just a few days, ...

Astronomers have studied the globular cluster 47 Tucanae extensively, but still have many questions. It may have an ...

Cosmic radiation occasionally contains enormous amounts of energy, but we don’t know why or where this radiation comes from.

Chandra X-ray Observatory and X-ray Polarimetry Explorer (IXPE) imagery of the Milky Way's core and supermassive black hole ...

Scientists believe the Milky Way contains up to 400 billion stars and at least as many planets. The largest galaxy known, IC 1101, has more than 100 trillion stars. Step outside on a clear night and ...

I’ve spent much of my long life studying — and trying to understand — the history of the universe. Along the way, I have been constantly reminded that science is essentially international: Science ...

(Left) the relatively quiet black hole at the heart of the Milky Way (Right) the violent and turbulent supermassive black ...

The Andromeda galaxy is also known as Messier 31. It is a spiral galaxy located about 2.5 million light-years from Earth. On ...