The molten planet, with an atmosphere rich in sulfur-bearing gases, is unlike anything astronomers have ever smelled.

Add Yahoo as a preferred source to see more of our stories on Google. Mysterious blasts of radio waves from across the universe called fast radio bursts help astronomers catalog matter. ESO/M.

A thin shell of air wraps around Earth, stretching about 20 miles above the surface. This invisible veil is packed with tiny molecules that sustain life. Just beyond this fragile layer lies the ...

A NASA-led team is studying the construction of a railway in space for a pair of telescopes that will provide views of planet, star, and galaxy formation in unprecedented detail. The proposed Space ...

Scientists uncover a new reason for fewer planets around twin stars. Einstein's theory of general relativity shows that close ...

Astronomers produced the most complete map of the center of the Milky Way, which can provide insight into how stars and planets are formed.

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. If you look across space with a telescope, you'll see ...