The Helix Nebula is an example of a planetary nebula. Though it looks like a bubble or eye from Earth's point of view, the Helix is actually a trillion-mile-long tunnel of glowing gases. In its center ...

That fuzzy splotch, visible to the naked eye when it is really dark (and easily seen through binoculars) is the Orion Nebula. Throughout the nebula (which is about 30 light years wide), we see a ...

This image features a deep field view of the Cassiopeia constellation immersed in the glow of ionized hydrogen gas, where the ...

However, a prominent dark ring appearing "a little to the north of the ‘St. Lawrence River' region" - treating the North ...

This Hubble mosaic is the highest resolution image ever made of the entire Crab Nebula, which is located 6,500 light-years away. These opaque, dark knots of gas and dust called "Bok globules" are ...

Fittingly nicknamed the Dark Wolf Nebula, this cosmic cloud was captured in a 283-million-pixel image by the VLT Survey Telescope (VST) at ESO’s Paranal Observatory in Chile. Located around 5300 ...

(Beverly Lynds was an astronomer who catalogued both bright nebulas – BN – and dark nebulas – DN – in the 1960s) How does the birth of stars form a nebula like this? Well, stars grow by ...

Europe's Euclid space telescope, which is on a mission to shed light on the mysteries of dark matter and dark energy, released its first data Wednesday with a little help ...