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

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 ...

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?

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.

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

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

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 ...

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

Researchers analysing Webb Telescope data recently found a rare galactic duo. Together, the galaxies form an owl-like structure about 11 billion light-years away.

According to a provocative new study, that might just be our cosmic address. This idea is meant to solve one of the biggest ...