This emission is strongest under conditions which are intermediate between those in the interior of nebula and those in the dense cloud.

Sculptor—officially labeled NGC 253—is considered a starburst galaxy, one heavy with stellar action. It's located 11 million light-years away in the Southern Hemisphere's constellation Sculptor, and ...

June has really been popping off when it comes to astronomical events, having brought us a delicious Strawberry Moon, a ...

This deep view of the Orion Constellation glows in reddish hues thanks to a filtered view of hydrogen alpha emission, a type ...

A Guide to Stargazing in Wadi Rum, Jordan's Dark Sky Enclave Planets, constellations, and meteor showers are only part of it. Stargazing in Wadi Rum is as much about feeling as it is about seeing.

Download this Constellation Icons In Black Outline Solid And Colored Style vector illustration now. And search more of iStock's library of royalty-free vector art that features Bootes graphics ...

NASA's PUNCH mission has unveiled its first images of colossal solar eruptions known as coronal mass ejections (CMEs) — ...

A growing collection of photography articles to help you become a better photographer, includes interviews with photographers, photography events, software guides, hot products, consumer advice ...