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

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

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 ...

Deep within the Milky Way’s core, researchers have uncovered cold gas clouds racing through a superheated galactic wind.

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

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?

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

The Helix Galaxy, located 42 million light years away, is an unusual object as it is both a polar ring and a lenticular ...

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

Two international teams zoned in on a potential answer to a decades-long mystery surrounding ephemeral cosmic X-rays.

NASA’s James Webb Telescope captures the "Cosmic Owl," a rare galactic formation resembling an owl’s face. See stunning images.