In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...

Astronomers used an array of telescopes to find the most massive radio jet in the early universe. The celestial object is ...

On March 15, 2024, a space-based observatory detected bursts of low-energy X-rays from deep in the ancient universe, ...

The giant jet flips the script on the origins of these structures, which were once thought to be linked only to extremely ...

According to this theory, the universe began as an infinitely small, hot, and dense point, which rapidly expanded and continued to stretch over 13.7 billion years. This initial period of rapid ...

How Do We Measure The Age of The Universe? Carrie Underwood performs ... Native American activist imprisoned for almost 50 years Ukraine receives new aid package from Lithuania, including Lithuani ...

Astronomers have discovered a truly ancient monster: a radio jet 200,000 light-years wide, originating from when the universe ...

A unique dataset of Type Ia supernovae being released today could change how cosmologists measure the expansion history of ...

A light-year is 5.8 trillion miles. Discovered just a few years ago, the quasar powering this jet formed when the universe ...

Astronomers have characterized the largest-ever early-Universe radio jet. Historically, such large radio jets have remained elusive in the distant Universe. With these observations, astronomers have ...