Dubbed 'Porphyrion' after a mythological Greek giant, this immense structure originated when the universe was just 6.3 ...

Researchers have developed a model for revealing what the color of a galaxy tells about its distance, to be used for measuring cosmic structures. Using telescopic observations and spectroscopy, ...

The circumgalactic medium (CGM) is a vast halo that surrounds galaxies, containing about 70% of a galaxy's visible mass. Despite its significant presence in the universe, little is known about the ...

The focus of their study was the supermassive black hole at the heart of our Milky Way galaxy, known as Sagittarius A* (Sgr A*). The evidence points to an enticing possibility – Sgr A* is likely the ...

as well as different galaxy formation models, will reveal further details on the formation and evolution of the observed feature, as well as a more detailed dynamical description of how waves ...

Where it is: 30 million light-years away in the constellation Pavo When it was shared: Aug. 21, 2024 Why it's so special: Because we're embedded within the Milky Way ... 3D map of the night ...

NGC 6744 is a spiral galaxy bigger than, but otherwise very similar to, our own. NASA has dubbed the large spiral galaxy the ...

One of the best examples is NGC 6744, a spiral galaxy that’s very similar to our own. With spiral arms spanning 175,000 light-years across, NGC 6744 is larger than the Milky Way, which spans ...

What it is: Spiral galaxy NGC 6744 Where it is: 30 million light-years away in the constellation Pavo When it was shared: Aug. 21, 2024 Why it's so special: Because we're embedded within the Milky Way ...

Matthew Dominick/NASA A NASA astronaut aboard the International Space Station (ISS) has shared a breathtaking time-lapse video featuring Earth, an aurora, the Milky Way, and the station itself.

Clusters of stars set the interstellar medium ablaze in the Andromeda galaxy about 2.5 million light-years away. Also known as M31, Andromeda is the Milky Way's closest major galaxy. It measures ...