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A spiral galaxy seen close up and tilted at an angle, so that its disc fills the view from corner to corner. Its disc is yellow near to the centre and pale blue farther out, showin...
Look closely at this image from NASA's Hubble Space Telescope and you'll see galaxies of various shapes and sizes clustered together toward the center-left of the image. A few fore...
In 2014, a strange cloudy object called G2 made a close approach to Sagittarius A*, (Sag A*) the supermassive black hole at the heart of the Milky Way Galaxy. Astronomers were pret...
At the heart of our Galaxy lurks a supermassive black hole four million times the mass of our Sun. For decades, astronomers have watched mysterious gas clouds drifting towards it o...
A luminous swirl set against the deep black of space, the barred spiral galaxy IC 486 glows with a soft, ethereal light in this NASA Hubble Space Telescope image from April 13, 202...
The Milky Way's galactic bulge, the bulbous region that surrounds the galactic center, contains a dense collection of stars, planets, and other free-floating objects. This region h...
Galaxies grow through mergers and collisions, and astronomers want to know more about the mergers in the Milky Way's past. But mergers can stir up the stars in the resulting galaxy...
Stars are not born by chance. New research shows that the mass of a star cluster dictates exactly what kinds of stars it will produce from cool, dim dwarfs to blazing stellar giant...
Astronomers discovered dozens of stellar streams in the Milky Way using Gaia data, offering new clues about galaxy formation and dark matter.
The Milky Way's galactic bulge, the bulbous region that surrounds the galactic center, contains a dense collection of stars, planets, and other free-floating objects. This region...
Astronomers who simulate galaxies do not always get the same result, even when they start from identical conditions. New research from Leiden University shows that this is not a fl...
The galaxy’s active nucleus is powered by a supermassive black hole that’s 8 million times more massive than the Sun.
Researchers at the University of Alabama in Huntsville have found a new way to measure the mass of neighbouring galaxies using pulsars. Using the universe's most precise natural cl...
Scientists believe galaxies like UGC 477 are largely dominated by dark matter.
The center of our galaxy is an extreme place. Surrounding the supermassive black hole Sagittarius A*, stars are packed densely into a region where gravity, radiation, and dark matt...
In this new image by the NASA/ESA Hubble Space Telescope, a spiral galaxy glittering with star clusters is the center of attention. NGC 3137 is located 53 million light-years away...
The Milky Way galaxy grew into its current form with the help of smaller galaxies over time, which it has "consumed" or merged with. Astronomers are able to pick out which stars in...
The most realistic picture yet of how galaxies formed and then evolved from the beginning of time has been revealed in a suite of new and unique audiovisual simulations. These data...
Where do massive planets end and stars begin? It may come down to how they formed.
If you’ve ever taken an introductory astronomy class, you’ve probably seen the Hertzsprung-Russell (HR) diagram. This graph maps out the life cycle of stars by plotting their tempe...
A team of researchers used the NASA/ESA/CSA James Webb Space Telescope together with the NASA/ESA Hubble Space Telescope to observe almost 9,000 star clusters in four nearby galaxi...
State-of-the-art simulations shed light on how galaxies die — and how we can determine the cause of death. The post Galaxies Don’t Die All at Once appeared first on Sky & Teles...
An international team led by Monash University has uncovered evidence of a rare form of exploding star, helping to shed light on one of the most cataclysmic events in the universe....
How far the Milky Way's disk extends has long been difficult to define—it doesn't end sharply, but fades away gradually at its outer edges. Now, for the first time, an internationa...
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