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.

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

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

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

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

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 ...

High radiation during a time of frenzied star formation in the Milky Way left one stellar population with few chances to form planets, a study reports.

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 ...