Galaxies

The celestial equivalent to latitude and longitude lets astronomers find their way across the heavens

The universe’s light-starved early epochs, as well as the first stars and galaxies, lie beyond the reach of conventional observatories but could be revealed by a new generation of radio telescope arrays

Andromeda and the Milky Way may collide, or they may safely swing past each other. Time will tell

A single-celled organism’s pathfinding reveals connections in the universe’s vast “cosmic web”

There’s more than one way for a star to die. Some go with a whimper, and some go with a very, very big bang

The cosmos is dark. The Lilly-Madau diagram reveals that it will become much darker still

The human brain loves seeing patterns, even when they aren’t really there

The James Webb Space Telescope’s search for the earliest stars and black holes has yielded a very weird, very red, puzzle

Analyzing 1,504 supernovae into the distant universe, astronomers have shown the clearest evidence yet for cosmological time dilation as predicted by Einstein

NASA’s James Webb Space Telescope observed an unusually large and highly luminous galaxy at a record-breaking 290 million years after the big bang

How do astronomers find the darkest objects in the universe?

As the Event Horizon Telescope pursues ambitious upgrades, the project’s latest results reveal the magnetic fields around our galaxy’s supermassive black hole