Astronomers have chased hypervelocity stars for more than a century. These rare objects move so fast that the Milky Way ...

An international team of astronomers, including researchers from the Department of Physics at The University of Hong Kong ...

On Jan. 15, 2025, the Gaia spacecraft took its last image. Then the craft ran a final round of engineering tests, fired its thrusters to leave Earth behind, and slipped into an orbit around the Sun, ...

Scientists measured mass and distance of free floating planet drifting through space without star for first time.

Using the Anglo-Australian Telescope (AAT), astronomers have observed a nearby galactic globular cluster known as NGC 6569.

Scientists have discovered a rogue planet roaming the Milky Way after combining observations from Earth and a space telescope ...

Scientists measure a Saturn-sized rogue planet drifting through the Milky Way using rare Earth and space observations, revealing how planets can be ejected from their original systems.

In the shockwave, a red hue represented hydrogen, green represented nitrogen, and blue represented oxygen residing in ...

The team has estimated that the planet is about 22 percent the mass of Jupiter, so roughly a Saturn-sized world. It is ...

For years, strange red dots in James Webb images left scientists puzzled. New research shows they are young black holes ...

A nearby galaxy is launching an enormous stream of super-heated gas, driven by a precessing jet from its central black hole., ...

The Milky Way was once a textbook example of how a spiral galaxy should form and evolve. Now a wave of new observations and simulations is forcing astronomers to admit that many of those origin ...