What happened in the first moments after the Big Bang? Why and how did our galaxy go through a dramatic disc flip? Our ...

A new study says a proposed instrument on the Extremely Large Telescope could study star clusters around faint, puffy ...

The Vera C. Rubin Observatory has already uncovered two previously unknown companions of the Milky Way using preliminary observations covering just 7% of the night sky. The discoveries include an ...

Pulsar timing array gravitational-wave searches have set the first mass limits on supermassive black hole pairs at cosmic ...

Simulations suggest the faintest galaxies near the Milky Way share one iron level because a single giant first star exploded in each.

Look east after dark in November and December to find the Andromeda Galaxy, a hazy patch of light 2.5 million light-years ...

A study investigated how spiral galaxies like the Milky Way have managed to preserve their structure over billions of years ...

A skymap of stars in the Milky Way and its environment, using data from the Gaia satellite. The area of sky observed by Rubin during a test run is ...

I couldn't see what it was in the dark, and I had to wait a bit before I could safely pull over and remove it. Somehow, I was ...

Nov. 6, 2026 After nearly 22 years of exploring the universe’s most violent explosions, NASA’s Swift Observatory has re-entered Earth’s atmosphere over Indonesia. Originally designed to last just two ...

This NASA/ESA Hubble Space Telescope image provides a lesson in galactic history. The sparkling collection of stars is named ...

When astronomers spotted Capotauro, they suggested it could be the earliest galaxy we had yet seen. But now a new team finds ...