The Owl Nebula is an example of a planetary nebula — a type of object that yields glimpses of stellar death in slow motion.

Low-mass stars like our Sun expel their outer layers as a planetary nebula because of what is going on in the star’s core as it ages.

The constellation Lyra is faint, but it contains Vega, one of the brightest stars in our night sky. As soon as it gets dark ...

With no Moon in the sky, we're centering on M15, which stands 60° high in the southern sky around 3:30 A.M. local daylight time. (Nighttime observers can also catch this object, though it rises about ...

The Cat's Eye Nebula, a planetary nebula formally known as NGC 6543. According to NASA, "Observations suggest the star ejected its mass in a series of pulses at 1,500-year intervals.

Such changes would make it difficult for life as we know it to survive on Earth. The increased heat and radiation would ...

The Cat's Eye Nebula, a planetary nebula formally known as NGC 6543. According to NASA, "Observations suggest the star ejected its mass in a series of pulses at 1,500-year intervals.

This particular planetary nebula is called Kohoutek 4-55, and is located within the Milky Way around 4,600 light-years away. The different colors of the image represent different elements thrown ...

How far away it is: 93 million miles (150 million km) ...

The researchers observed the Sculptor Galaxy for over 50 hours with the Multi Unit Spectroscopic Explorer (MUSE) instrument on the VLT to create the detailed map. They then stitched together over 100 ...

Astronomers have created the most detailed image of a galaxy of its kind ever seen. The “incredibly detailed” picture shows parts of the Sculptor Galaxy that have never been seen before. Scientists ...

The constellation Lyra is faint, but it contains Vega, one of the brightest stars in the Pottsville night sky. As soon as it ...