Galaxies

Deep-Sky Objects, Observing

Target 10 galaxy groups

Galaxies

Centaurus A captured in colorful detail by trio of telescopes

Deep-Sky Objects, Observing

Hunt down Leo’s “other” trio of galaxies

Exotic Objects, Galaxies

Paradox of ultramassive black hole formation solved by supercomputer

Galaxies, Robotic Spaceflight

James Webb spies newborn stars carving out voids in a spiral galaxy

Cosmology, Galaxies

‘We just discovered the impossible’: Giant young galaxies shake up our understanding of the early universe

Galaxies

Amateur astronomers discover enormous nebula near Andromeda

Exotic Objects, Galaxies

Supermassive black holes can be kicked off-center in bright galaxies

Galaxies

James Webb spots Milky Way look-alikes in the early universe

Galaxies, Robotic Spaceflight

Hubble spots a nearby galaxy that looks like it belongs in the early universe

Cosmology, Exotic Objects, Galaxies

Type Ia supernovae: Inside the universe’s biggest blasts

Galaxies

Ghost particles caught streaming from dust-shrouded black hole