ALMA image of quasar merger

antlia

60-Second Astro News: A Carnivorous Quasar and a Galaxy Ghost

In astronomy news this week: The most luminous quasar known in the cosmos is devouring three galaxy companions, while a newly discovered ghostly satellite of the Milky Way hints at hordes more just waiting to be found.

Composite image of dwarf spheroidal galaxy Donatiello I

amateur astronomer

Dwarf Galaxy Found by Amateur

Donatiello I is a tiny galaxy about 10 million light-years away, and it was discovered by an Italian hobbyist with a homemade telescope.

Milky Way

Milky Way's New Neighbor: A Giant Dwarf

Astronomers have discovered a “feeble giant”: one of the largest dwarf galaxies ever seen around the Milky Way.

Gravitational Lens SDP.81

Galaxies

Dark Dwarf Galaxy Discovered

Astronomers using the ALMA array of radio dishes have detected a dwarf galaxy 4 billion light-years away by the pull of its dark matter.

Ripples in the Milky Way's Disk

Galaxies

A Galaxy Hit-and-Run

Ripples found in the Milky Way’s disk reveal our galaxy survived an ancient hit-and-run. Now, astronomers might have caught the culprit.

Potential dwarf galaxies

Cosmology

New Dwarf Galaxies Near Milky Way

Astronomers have found a set of new dwarf galaxy candidates near the Milky Way Galaxy, a discovery crucial to understanding dark matter.

Cosmology

Dwarf Galaxies Packed a Mighty Punch

Light from the puniest galaxies played a bigger role in shaping the early universe than previously thought.

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