21–40 of 193 results

Black Holes

Do Big Black Holes Wander the Galaxy?

New simulation work suggests that galaxies like the Milky Way could be home to a dozen supermassive black holes.

Artist's rendition of protocluster SPT 2349-56

Galaxies

14 Galaxies Might Become Universe’s Most Massive Structure

At least 14 galaxies are swarming in the early universe, forming a protocluster with the mass of 10 trillion Suns. It might become one of the most massive structures in the universe.

Galaxies

Globular Clusters Shine in a Galaxy Lacking Dark Matter

You may have seen recent news about NGC 1052–DF2, a galaxy that was discovered to have little or no dark matter. Now, a new study explores what NGC 1052–DF2 does have: an enigmatic population of unusually large and luminous globular clusters.

galaxy without dark matter

Galaxies

A Galaxy Without (Much) Dark Matter

Astronomers have found a peculiar object: a fluffy galaxy that has little to no dark matter.

Galaxies

Hubble’s View of Little Blue Dots

The recent discovery of a new type of tiny, star-forming galaxy is the latest in a zoo of detections shedding light on our early universe. What can we learn from the unique “little blue dots” found in archival Hubble data?

Centaurus A

Galaxies

Orderly Dwarf Galaxies Challenge Cosmological Wisdom

Most of the dwarf galaxies around Centaurus A appear to be orbiting the giant galaxy along a single plane — a result not predicted by current cosmological models.

Galaxies

Galaxies Show Order in Chaotic Young Universe

New observations of galaxies in a universe just 800 million years old show that they’ve already settled into rotating disks. They must have evolved quickly to display such surprising maturity.

Sculptor dwarf galaxy

Galaxies

Stars Map Dark Matter in Dwarf Galaxy

A combo of Hubble and Gaia data reveal the distribution of dark matter in a tiny galaxy by tracking the galaxy’s stars.

cosmic time and quasar

The Black Hole Files with Camille Carlisle

Most Distant Black Hole Yet

Astronomers have discovered a supermassive black hole scarfing down gas just 690 million years after the Big Bang.

Small Magellanic Cloud at radio wavelengths

Galaxies

New Telescope Sees Galaxy Down to Its Atoms

Astronomers have obtained the most detailed radio image of hydrogen gas in a neighboring galaxy, revealing its structures with more precision than ever before.

MUSE-Hubble Ultra Deep Field

Galaxies

A Deeper View of Hubble’s Ultra Deep Field

The iconic image of faraway galaxies, and one of the most-observed regions of space, has just received a spectroscopic upgrade.

The cluster environment strips gas from galaxies

Galaxies

Putting the Brakes on the Stellar Baby Boom

Two studies of distant galaxy clusters point to different mechanisms of stopping the baby boom that reigned in the early universe.

Galaxies

Globular Clusters for Faint Galaxies

The origin of ultra-diffuse galaxies (UDGs) has posed a long-standing mystery for astronomers. New observations of several of these faint giants with the Hubble Space Telescope are now lending support to one theory.

Herschel Sprint: NGC 4911

Milky Way

Milky Way May Be Made with Swapped Gas

High-powered simulations suggest that half of the material in the Milky Way could come from other galaxies.

Galaxies

Incredible Resolution: Reconstructed Galaxy Pushes Hubble’s Limits

Thanks to the effects of gravitational lensing, a team of astronomers was able to reconstruct a distant galaxy and study its unexpectedly clumpy star forming regions.

Wind flowing out of a barred spiral galaxy

Black Holes

Ring Found Around a Galaxy’s “Hidden” Black Hole

A team of astronomers has taken a close look at a nearby galaxy — and discovered an unusual structure that sheds light on supermassive black holes’ relationships with their host galaxies.

Fast radio burst FRB 121102

Stellar Science

Homing in on the Source of a Mysterious Fast Radio Burst

Ground- and space-based observations have now shed intriguing new light on a mysterious radio source more than 3 billion light-years away.

Magellanic Clouds

Galaxies

Astronomers Discover Magnetic Bridge Between Magellanic Clouds

A magnetic field appears to span the space between the Large and Small Magellanic Clouds, the two dwarf galaxies being consumed by our Milky Way Galaxy.

Galaxies

Bright Supernova Discovered in "Fireworks Galaxy" NGC 6946

A brand new supernova in NGC 6946 is bright enough to see in modest-sized telescopes. Here's how to find it.

stars forming in galactic outflow

Stellar Science

Stars Born in Galactic Wind

Astronomers have found newborn stars in gas pouring out of a galactic nucleus.

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