Planetary nebulae represent a brief, yet illuminating, phase in the evolution of low- to intermediate-mass stars. These glowing shells of ionised gas are shed in the late stages of stellar development ...

If you have access to an 8-inch or larger telescope, look in the northern part of the constellation Andromeda the Princessfor ...

Polar dunes on Mars, swirling clouds on Jupiter, and stunning sights in the night sky on Earth are featured this week. Plus, ...

The Hubble community bids farewell to the soon-to-be decommissioned Wide Field and Planetary Camera 2 onboard NASA’s Hubble Space Telescope. In tribute to Hubble’s longest-running optical camera, ...

In the cold dark of the constellation Ophiuchus, a faint, wraithlike shell of gas is quietly advertising the fate that awaits our own Sun. Astronomers call it the Little Ghost Nebula, a planetary ...

Oh what a beautiful cosmic web we weave! This little cosmic creepy crawler is the Red Spider planetary nebula (formal designation NGC 6537). It can be found about 4,000 light-years away in the ...

Oregon stargazers have plenty of reasons to look up throughout August – a month marked by meteor showers, planetary conjunctions, and even a visible nebula. A formation known as the "dumbbell nebula" ...

(Please attempt/guess/answer the poll before reading the 'spoilered' calculations.) A question I've pondered, on occasion, is how much "mass" is in a 'planetary nebula' (the kind of nebula which ...

The new picture, taken by the Hubble Space telescope, suggests the Nebula is actually cylindrical in shape and that from Earth we see it almost on end, so it looks like a circle. The Nebula was first ...

Some 3,000 light years away, shimmering layers of gas formed an almost perfect sphere around the faintly glowing, burned-out core of a dead star. The result looks like a giant crystal ball floating in ...

A team of scientists in Australia and the United States, led by Associate Professor Miroslav Filipovic from the University of Western Sydney, have discovered a new class of object which they call ...