Galaxies

Latest about Galaxies

Two galaxies that appear to be in the process of merging. They're both spirals and kind of hazy. They're seen against the backdrop of space.

AI finds hidden galactic evolution clues in over 100 galaxies. Here's how

By Rahul Rao published

Scientists enlisted AI to help peruse a massive dataset in search of neutral carbon absorbers in galaxies, which can reveal lots about galaxy evolution.

Galaxies
A collage of several galaxy images. The one on the left takes up nearly half of the screen and showcases a diagonal, edge-on view of a hazy realm.

Amateur astronomer finds 5 fascinating new galaxies — and they're now named after him

By Robert Lea published

Giuseppe Donatiello is an amateur astronomer with a unique distinction: discoverer of 11 galaxies, nine with his name.

Galaxies
The Jamess Webb Space Telescope's view of the spectacular Phantom Galaxy

Is dark matter's main rival theory dead? There's bad news from the Cassini spacecraft and other recent tests

By Indranil Banik, Harry Desmond published

One of the biggest mysteries in astrophysics today is that the forces in galaxies do not seem to add up.

Galaxies
Magnetic fields seen in the halo of the Milky Way

Milky Way's halo is filled with 'magnetic donuts' as wide as 100,000 light-years

By Robert Lea published

The discovery could help astronomers better understand how cosmic magnetic fields form and evolve.

Galaxies
the blackness of space is sprinkled with shining swirling points of light of different sizes and colors. Some galaxies, some are stars.

World's largest visible light telescope spies a galaxy cluster warping spacetime

By Rahul Rao published

New images from the VLT Survey Telescope will help scientists learn about galaxy pasts, and perhaps futures.

Galaxies
The cometary globule God's Hand as seen by the Dark Energy Camera

'God's Hand' interstellar cloud reaches for the stars in new Dark Energy Camera image (video)

By Robert Lea published

There is nothing supernatural about this celestial structure, but it is awe-inspiring nonetheless.

Galaxies
A view of space with an illustration of molecules on the right and a telescope array on the bottom left.

Buried in the Cat's Paw Nebula lies one of the largest space molecules ever seen

By Robert Lea published

Scientists have discovered one of the largest molecules ever seen in space in the Cat's Paw nebula. The discovery hints at how chemical complexity emerges as stars form.

Galaxies
An image of a slightly blurry, splotchy pink structure against a black background.

Cosmic fountain is polluting intergalactic space with 50 million suns' worth of material

By Robert Lea published

Astronomers have mapped a 20,000-light-year-long fountain of gas blasting from a nearby galaxy and polluting intergalactic space at 450 times the top speed of a jet fighter.

Galaxies
In the field of one of JWST's largest-area surveys, COSMOS-Web, an Einstein ring was discovered around a compact, distant galaxy. It turns out to be the most distant gravitational lens ever discovered by a few billion light-years.

Exotic 'Einstein ring' suggests that mysterious dark matter interacts with itself

By Sharmila Kuthunur published

The unexplained mass of a remarkably massive galaxy suggests that dark matter interacts with itself, according to new observations by the James Webb Space Telescope.

Galaxies
a split screen of black space. on the left, many stars are scattered. on the right, fewer, fainter stars are scattered mostly in the center, but no on the sides.

The faintest star system orbiting our Milky Way may be dominated by dark matter

By Keith Cooper published

The stars of a possible ultra-faint dwarf galaxy, known as UMa3/U1, could be held in place by the gravitational glue of dark matter.

Galaxies
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