American Astronomical Society

The blobs are irregular groups of young blue stars thought to have formed in a galactic collision that scientists liken to a belly flop.

Four retired telescope missions are helping astronomers uncover new insights about how dust behaves in galaxies.

Astronomers are watching a red hypergiant star's final era to better understand what happens at the end of a stellar life cycle.

Thousands of distant galaxies in different shapes and sizes glow in infrared light in a newly released image from the Hubble Space Telescope.

Astronomers have traced the violent and catastrophic evolution of Andromeda, our nearest large galactic neighbor, by analyzing the makeup and motion of more than 500 stars within the nearby galaxy.

A planetary system with two Earthlike planets has been discovered only 33 light-years away from us.

Astronomers found a binary star system that may have formed when a wandering star fell into the gravity of its partner.

V1674 Hercules is the fastest nova ever discovered, but new research reveals strange new details about this explosive event driven by a feeding white dwarf.

Watch the sun set from a particularly dark patch of Earth and you may spot a triangle of what scientists call zodiacal light extending from where our star passed below the horizon.

Scientists have gotten a close look at an extreme case of seasons, thanks to a retired NASA telescope.

Stellar groupings orbiting the outskirts of the Milky Way shed new light on the elusive dark matter surrounding our galaxy.

A rare type of white dwarf star has been erupting in the most extreme superflares of its kind ever seen, researchers find in a new study.

Astronomers have spotted the brightest ever 'Ccow' supernova shining in x-rays providing evidence the mysterious phenomenon might be driven by an emerging black hole or a neutron star.

Earth is surrounded by a vast bubble about 1,000 light-years wide whose borders drive the formation of all nearby young stars, a new study finds.

A newly discovered "mini" supermassive black hole could help reveal some of the secrets behind the biggest black holes in the cosmos.

NASA's Imaging X-ray Polarimetry Explorer (IXPE) is set to begin spying on some of the universe's most dramatic objects — black holes and neutron stars.

Astronomers have found evidence of a black hole snacking on a star in data gathered back in the 1980s, according to new research.

As COVID-19 infection rates rise once again, the leaders of the American Astronomical Society (AAS) have canceled the major conference scheduled for early January.

A big new sample of fast radio bursts is allowing scientists to ask big-picture questions about the cosmos.

Colossal arc of distant galaxies makes astronomers question some of their most cherished principles about the cosmos.