Hypervelocity stars (HVSs) were first theorized to exist in the late 1980s. In 2005, the first discoveries were confirmed.

ESA’s decade-long Milky Way Gaia mapping mission still has tons of data to release over the next few years. Expect surprises.

After a blue dwarf galaxy shot through it like an arrow, the large Bullseye now has nine rings—six more than any other galaxy ...

The Bullseye is now confirmed to have nine rings, eight of which are visible to Hubble. Researchers confirmed the existence ...

Data from the Gaia spacecraft shows that even unassuming stars can host monumental companions like massive planets.

Gaia was launched on December 19, 2013, and began scanning the stars in July 2014. It mapped over two billion stars, ...

Scientists have created the first-ever 3D maps of star-forming molecular clouds near the Milky Way's supermassive black hole, ...

NASA's Hubble Space Telescope spotted a cosmic Bullseye galaxy, revealing evidence of a rare kind of galactic collision.

In the heart of our Milky Way galaxy, two gigantic "bubbles" extend roughly 50,000 light-years above and below the galactic ...

Visual observers and astrophotographers alike can find something amazing to observe along the plane of our galaxy.

The Hubble Space Telescope has captured this striking image of an unusual galaxy with a bullseye structure, as nine rings ...

The Gaia mission, launched by the European Space Agency, has completed a decade of groundbreaking astronomical observations, collecting over three trillion data points on two billion stars and ...