The sixth day of the 18th annual Space Telescope Advent Calendar features the final act of a star near the end of its life.

By analyzing the data from the SuperCOSMOS Hα Survey (SHS) and from the Gaia satellite, astronomers have inspected a bipolar ...

The Gemini South telescope in Chile captured this stunning view of NGC 6302, highlighting the nebula’s intricate structure ...

This Hubble image shows ESO 455-10, a planetary nebula located in the constellation of Scorpius. The color image is composed of near-infrared and optical observations from Hubble’s Wide Field Camera 3 ...

A conception of the James Webb Space Telescope orbiting the sun 1 million miles from Earth. Credit: NASA GSFC / CIL / Adriana Manrique Gutierrez In death, there can be great beauty. Astronomers ...

An international team of astronomers have discovered two stars in a binary pair that complete an orbit around each other in a little over three hours, residing in the planetary nebula M3-1. Remarkably ...

ASTRONOMERS have spotted a stunning cosmic butterfly with glowing “wings” deep in space. The mind-blowing display is actually ...

The Red Spider Nebula gives us a possible preview of what might happen to our own Sun in about 5 billion years: as the Sun runs out of fuel, it may also swell into a red giant, shed its outer layers, ...

The Twin Jet nebula, shown here, is a stunning example of a bipolar preplanetary nebula. At the center, a dying star is in the final stages of life where it produces its energy via nuclear fusion, ...

as at the end of much larger lobes of gas extending from the star. The doughnut-shaped ring has a radius of more than twice the distance from the Sun to Pluto. The masers at the ends of the lobes are ...

(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 ...

This image compares two drastically different portraits of the Stingray nebula captured by NASA’s Hubble Space Telescope 20 years apart. The image on the left, taken with the Wide Field and Planetary ...