Some of the universe’s most luminous galaxies are also the most mysterious. New simulations shed light on how these galaxies formed.
Astronomers have discovered that one galaxy of a nearby double-galaxy system has a giant, star-studded ring.
As the IAU General Assembly in Hawaii'i draws to a close, the results were still coming in: a new bevy of dwarf galaxies discovered around the Milky Way, the celebration of the first Dark-Sky Sanctuary, and a new directly imaged exoplanet to boot.
Recent headlines proclaim that the universe is dying, but we’ve actually known that for decades. Here’s what’s really interesting about recent research on the nearby universe.
Astronomers have found that a massive filament of gas in the early universe actually seems to be a humongous, galaxy-forming disk.
On Earth, wind can transform entire landscapes - turns out the same is true in space. Galaxy NGC 4921 faces an intracluster wind that's eroding its star-forming terrain.
Astronomers have come upon the tantalizing signal from some of the universe’s first stars.
Combining a novel technique and a world-class telescope, astronomers have measured the mass of the supermassive black hole at the center of barred spiral NGC 1097.
New ALMA observations reveal low levels of dust in nine early galaxies, suggesting astronomers should revise some of their calculations.
Following on a surprising find reported last year, astronomers have now discovered almost 1,000 dark matter-rich galaxies in the Coma Cluster.
Researchers confirm that three solitary stars have gone supernovae in intergalactic space.
Researchers using NASA’s Wide-Field Infrared Survey Explorer (WISE) have discovered the most luminous galaxy to date.
Observations of white dwarfs in a densely populated globular cluster confirm astronomers’ expectations that stars will migrate to a cluster’s outskirts after losing weight.
Astronomers have detected a massive yet elusive nimbus of hot gas surrounding Andromeda Galaxy.
Astronomers have discovered 195 compact elliptical galaxies, upping the known number of these weird galaxies sixfold.
A galaxy-size blob of gas discovered eight years ago by a Dutch schoolteacher has galvanized the study of the spectral remains of once-bright quasars.
Astronomers have found massive galaxies 3 billion years after the Big Bang that are dying from the inside out.
A rare type of gravitational lens offers astronomers a close look at a young, dusty galaxy manufacturing hundreds of stars a year.
Astronomers have found a set of new dwarf galaxy candidates near the Milky Way Galaxy, a discovery crucial to understanding dark matter.
For the first time, astronomers are watching as a supernova’s light bends around a massive galaxy on its way to Earth.
A small galaxy 700 million years after the universe’s birth has a dust reservoir that makes it look like a much older galaxy.
New observations of the Teacup Galaxy show that even black holes with wimpy radio jets can quench a galaxy's star formation. An unassuming nearby galaxy nicknamed The Teacup (more formally known as J1430+1339) hides a tempest inside. The supermassive black hole at this galaxy's center is chowing down furiously on gas — seen from...
Hubble Space Telescope observations are enlightening astronomers about the evolution of galaxies in the distant universe.
The Hubble Space Telescope has turned its ultraviolet, visible-light, and near-infrared eyes to the queen of galaxies, M31, capturing the biggest and sharpest image yet of our neighbor.
A bizarre set of galaxies in the Coma Cluster have lost most of their stars (or star-making material), making them especially rich in dark matter.