A microquasar belonging to our Milky Way galaxy has set records by generating cosmic rays with energy levels never before seen.

Take a tour of the Hydra I galaxy cluster. A galaxy in the region, NGC 3312, is "losing cold gas as it moves through the hot ...

NASA's James Webb Space Telescope has captured an amazing view of barred spiral galaxy NGC 1559. It is about 35 million light ...

Disk galaxies, like our own Milky Way galaxy, commonly consist of both a thick and thin disk of stars—each with different ...

Detecting exoplanets is one thing, but imaging them is another thing entirely. Astronomers can detect them by the way they block their star's light and by the way they make their stars wobble, and ...

Astronomers spotted exoplanet AT2021ueyL b, a gas giant 3,262 light-years away, using microlensing. It orbits in the galactic ...

This stunning Hubble view of spiral galaxy UGC 11397 captures more than graceful arms and glowing stars—it hides a ravenous ...

Astronomers have found a new way of accurately mapping the outer gas disk of the Milky Way using the positions of young stars ...

A high-speed crash between two dwarf galaxies might explain a unique feature in space – and provide useful information on ...

The galaxy sits in a sweet spot that allows astronomers to study it in ways that can't be applied to even our own Milky Way ...

Astronomers are excited about the first test images released today from the Vera C. Rubin Observatory, which show the ...

Galaxies shine in a rainbow of emissions from gas, dust, and stars. Each of these building blocks emits light at specific ...