Right above you is the sky – or as scientists would call it, the atmosphere. It extends about 20 miles (32 kilometers) above the Earth. Floating around the atmosphere is a mixture of molecules – tiny ...

What new methods can astronomers develop to image distant galaxies while enabling them to learn about their stars and other celestial objects? This is what a recent study published in Astronomy and ...

The Sculptor galaxy is a treasure trove of information that astronomers around the world cannot wait to pick apart. When you purchase through links on our site, we may earn an affiliate commission.

The vast majority of stars form and reside within galaxies due to the presence of cold, dense molecular gas clouds conducive to star formation. True intergalactic space, characterized by low-density ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com. What is beyond outer space? – Siah, age 11, ...