41–60 of 193 results
Phoenix galaxy's bubbles and filaments

Black Holes

Active Black Hole Encourages Starbirth

Astronomers have discovered long filaments of cold gas — the ingredient for making stars — cocooning giant bubbles inflated by a black hole.

Abell 2744 galaxy cluster

Galaxies

Hubble Spies Faint Galaxies, Bountiful in Early Universe

Hubble has spotted more than 100 small, faint galaxies in the young universe, common as dust bunnies but previously out of reach of even the best telescopes.

local cosmic structure

Cosmology

Cosmic Void “Pushes” Milky Way

Astronomers have discovered a giant cosmic void that explains why our Local Group of galaxies is moving through the universe as fast as it is.

Cygnus A in infrared

Galaxies

Mystery Object in Cygnus A Galaxy

Astronomers have discovered an object in the active galaxy Cygnus A that wasn’t there before.

Chandra's deepest image

Black Holes

1,000 Black Holes in Deepest-Ever X-ray Image

The Chandra X-ray Observatory has gazed at a small patch of sky for almost 12 weeks, revealing 1,008 X-ray-emitting sources — most of them supermassive black holes.

Fast radio burst FRB 121102

Stellar Science

Fast Radio Burst has a Surprising Source

For the first time, a team of astronomers has placed a fast radio burst on the cosmic map, allowing them to better pinpoint its mysterious origin.

Pluto's Sputnik Planum in color

Milky Way

Top 12 Astronomy News Stories of 2016

From the discovery of gravitational waves to the building evidence that a massive planet could exist beyond Pluto, it has been a thrilling year for astronomy research. We recap.

Tangled dust filaments around NGC 4696

Galaxies

Hubble Images Tangled Web in Nearby Galaxy

A Hubble image of a nearby, massive elliptical galaxy reveals tenuous filaments that appear to be connected to the growth of the galaxy's supermassive black hole.

HI4PI maps Milky Way's neutral hydrogen

Milky Way

Astronomers Map Milky Way in Incredible Detail

Astronomers have mapped neutral atomic hydrogen, which profuses the space between stars, in unprecedented detail to create a beautiful radio-wavelength portrait of the Milky Way.

Cosmology

About Those 2 Trillion New Galaxies . . .

The news that astronomers find the universe has 10 times more galaxies than previously thought? There's less to this than the headlines say.

ALMA image of Hubble Ultra Deep Field

Galaxies

ALMA Pans for Galactic Gold in the Hubble Ultra Deep Field

ALMA, the largest telescope array in the world, took a look at the Hubble Ultra Deep Field, and revealed the cosmic history of star formation.

M101

Galaxies

Why Galaxies Have Spiral Arms

Astronomers have found a unique trait of spiral arms that supports a longstanding idea about where these patterns come from.

dwarf galaxy DDO 68

Cosmology

Of Dwarf Galaxies and Voids

Living in voids might be tangentially responsible for three small galaxies’ recent flurries of starbirth.

Galaxies

Students Discover a Galactic Eye of Horus

Undergraduate students in Japan stumbled upon a rare lensing of two distinct background galaxies.

Galaxies

The Making of a “Frankenstein” Galaxy

Astronomers take a second look at UGC 1382 — previously considered a typical elliptical galaxy — and reassess everything they know about its size, age, and formation.

A Chandra/Hitomi view of Perseus Cluster

Galaxies

Doomed Hitomi Gazed at Galaxy Cluster

In its first — and final — month of flight, the Hitomi X-ray observatory measured the calm within the bubbling core of the Perseus Cluster.

Simulated galaxy from FIRE cosmological simulation

Galaxies

Missing Dwarf Galaxies Never Were

Astronomers may have solved the case of the Milky Way’s missing satellite galaxies. The solution? The galaxies never existed.

cosmic rain onto AGN

Galaxies

Clouds Rain Down on Black Hole

Astronomers have detected three cold gas clumps falling toward a galaxy's center — at odds with the prevailing idea for how black holes grow.

Galaxies

Galaxy Cluster Spotted in Early Universe

Astronomers discover a vast collection of young galaxies from the early universe.

galaxy merger

Galaxies

How Dead Galaxies Stay Dead

A galaxy in the midst of a merger isn’t forming stars, even though it could. Astronomers think the galaxy’s central black hole might be the reason why.

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