The largest spinning structure ever seen was a giant rotating filament of the cosmic web, a rotation with clues about how ...

This infrared view offers the clearest look yet at how dwarf galaxies merge, evolve, trade gas and ignite waves of new stars.

In the leading model of cosmology, most of the universe is invisible: a combined 95% is made of dark matter and dark energy.

The filament of matter stretches 50 million light-years, and contains a row of galaxies 5.5 million light-years long that are ...

The fourth day of the 18th annual Space Telescope Advent Calendar features a cluster of powerful infant stars blasting a ...

Astronomers using the Subaru Telescope in Hawaiʻi have discovered a massive planet and a brown dwarf orbiting distant stars.

Light pollution from the exploding number of satellites orbiting Earth is making it harder to peer into space.

NASA's Goddard Space Flight Center in Maryland is facing controversy over potential building closures. Here's what's been going on.

The James Webb Space Telescope (JWST) has a habit of showing familiar objects in a new light. With cameras sensitive to a ...

China has outpaced the United States in releasing the first images of the rare interstellar comet 3I/ATLAS as it made its close approach to Mars. The China National Space Administration (CNSA) ...

Facing an extremely long offseason, the Galaxy decided to go a different route and keep the team in class for a bit longer. The Galaxy’s 2025 season ended on Oct. 18 but instead of departing for a ...