The Atacama Large Millimeter/submillimeter Array (ALMA) has been used to discover REBELS-25, a Milky Way-like galaxy from the ...

With sapphire waterfalls, lava rain and orbits around dead stars, these distant worlds push the limits of what’s possible.

Across the Milky Way and beyond, planetary systems appear to fall into a few recurring blueprints, and recent exoplanet ...

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

The year 2025 marked significant advancements in exoplanet science, revealing new discoveries and fresh perspectives on known ...

But the Big Bang theory predicts that about 5% of the universe's contents should be atoms made of protons, neutrons and ...

The final full moon of 2025 passed already, but the new year has plenty of spectacular moons coming up. Here's when to view ...

Paul McFarlane discusses why Nevada's geography makes it a great place to stargaze, what dark sky designations mean, and how ...

As a scholar researching clouds, I have spent much of my time trying to understand the economy of the sky. Not the weather ...

Astronomers have presented a unique cosmic structure resembling a Christmas tree, formed by new stars in the NGC 2264 region, ...

A Carnegie-led team of astronomers detected the strongest evidence yet of an atmosphere around a rocky planet beyond our ...