A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

The plasma jets of this cosmic giant span 3.3 million light-years from end to end - over 32 times the size of the Milky Way ...

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

The record-breaking winds are circling the nearby "puffy" exoplanet WASP-127b, and are traveling six times faster than the ...

Are you fascinated by planets and stars? Do you love staring into the night sky? Here are some places that guarantee a ...

High radiation during a time of frenzied star formation in the Milky Way left one stellar population with few chances to form planets, a study reports.

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

The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in ...

The ESA will passivate Gaia on 27 March 2025, the one-of-a-kind observatory craft that unravelled many of the Milky Way's ...

The future of galaxies remains one of the most interesting topics for experts. In fact, they will not survive the passage of ...

The cores of galaxies may not be made of what we thought, new research suggests — they could hold one giant, invisible star ...

Goodnight Gaia. The European Space Agency star-tracking satellite ceased operations on Wednesday, Jan. 15, 2025, after 12 ...