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

The universe is full of wonders, but some worlds are downright deadly. From searing heat to violent storms, these planets make Earth look like a paradise. Many of them challenge everything we know ...

Mysterious blasts of radio waves from across the universe called fast radio bursts help astronomers catalog matter. ESO/M. Kornmesser, CC BY-SA If you look across space with a telescope, you’ll see ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A new mission concept that would see a fleet of telescopes probing rocky planets in their stars' ...

If you look across space with a telescope, you'll see countless galaxies, most of which host large central black holes, billions of stars and their attendant planets. The universe teems with huge, ...

Mysterious blasts of radio waves from across the universe called fast radio bursts help astronomers catalog matter. ESO/M. Kornmesser, CC BY-SA Chris Impey, University of Arizona If you look across ...

Chris Impey has received funding from NASA, NSF, Howard Hughes Medical Institute, and the Templeton Foundation. If you look across space with a telescope, you’ll see countless galaxies, most of which ...