A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

Pinpointing a Milepost Marker Star that Opened the Realm of Galaxies At the dawn of the 20th century, astronomers faced a ...

New evidence suggests the universe is expanding faster than predicted. Explore the Hubble constant and its implications for ...

Recent studies challenge the long-held belief that the Milky Way is a standard model for understanding galaxy formation, ...

Feeling small? This post explores the vastness of the universe and how it can inspire us to live a meaningful life. 🌌✨ ...

Watch the mesmerizing Tarantula Nebula video captured by the Hubble telescope, showcasing the most productive star-forming ...

A new study suggests that the explosive deaths of the universe's earliest stars created surprising quantities of water that ...

For humans, the most important star in the universe is our Sun. The second-most important star is nestled inside the Andromeda galaxy. Don't go looking for it -- the flickering star is 2.2 million ...

New research suggests that dark energy isn't needed to explain the acceleration in the expansion of the universe — instead ...

Ultra-faint dwarf galaxies, cosmic 'ghost towns,' offer new insights into the early universe and star formation.

The universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous—and highly ...