These shadowy expanses have many sobriquets—dark nebulae, dust clouds, knots—but I prefer ... quite recently the only way to see them was in silhouette against brighter background material.

The European Southern Observatory has prepared a Halloween treat for all astronomy enthusiasts: an extraordinary image of a dark nebula resembling a wolf's silhouette against a vibrant cosmic ...

For Halloween, the European Southern Observatory (ESO) reveals a spooktacular image of a dark nebula that creates the illusion of a wolf-like silhouette ... nebulae are cold clouds of cosmic ...

This cloud is literally glowing in the dark.” The observations were made using a spectrograph specifically tailored to this part of the spectrum on the Korean satellite STSAT-1. The data from ...

And “it is literally glowing in the dark,” she added. Identifying and studying clouds like Eos, particularly based on their hydrogen content, could reshape astronomers’ understanding of how ...

MOLINE, Ill. — Storm clouds come in many shapes and sizes, but what about their colors? What can that tell us about a particular storm? That's a question John from Milan, Illinois, submitted ...

The Falcon 9 rocket was launched a little after 5 a.m. Monday, well before first sunlight, and yet the clouds appeared to glow in the dark. That's because they were forming from the exhaust of the ...