From new exoplanetary neighbors and a weakening dark energy to the best evidence for life on Mars and an interstellar comet ...

On a mountaintop in northern Chile, the world’s largest digital camera is preparing to power up. Its mission is simple yet ambitious — to photograph the entire night sky in extreme detail and unlock ...

An international team of astronomers has achieved a first in probing the early universe, using the James Webb Space Telescope ...

Using Georgia State’s CHARA Array, an international team of scientists has uncovered unexpected complexity in how stars ...

Decentralized physical infrastructure connects independently operated telescopes into a coordinated observing network ...

The ALMA (Atacama Large Millimeter/Submillimeter Array) radio telescope, located in theChilean Andes, has long been a key ...

Our beginner-friendly guide helps you get familiar with the moon, Jupiter, nebulas and galaxies this Christmas.

Go outside right now. What’s the farthest thing you can see? A tree? A bird? What about the Moon? It’s 250,000 miles away. The Sun is 400 times farther than that, at nearly 100 million miles (but ...

It is the colours of a sunset that inspire Joseph Anderson, an astronomer at the European Southern Observatory (ESO) in the high Atacama desert, in northern Chile. “They start off very blue and ...

As 2025 draws to a close, we look back at the year and, in the world of science, at the findings that have kept the world on its toes. Space aficionados, in particular, have had a thrilling time.