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To understand how long a planetary nebula remains visible, we first need to understand why a planetary nebula is visible at all. When a solar-type star (one with a mass of 0.8 to eight times that of ...

A nebula is a luminescent giant cloud of dust and gas in space that could be from a supernova or could be a star-forming region. The "dumbbell nebula," also known as Messier 27, is what astronomers ...

A way of estimating more accurate distances to the thousands of so-called planetary nebulae dispersed across our galaxy has been announced. The announcement was made by a team of three astronomers ...

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 ...

The Hubble Space Telescope has unveiled a detailed look at the Crab Nebula, revisiting it after 25 years to track its rapid ...

The Large High Altitude Air Shower Observatory (LHAASO) has detected PeV (1015 eV) gamma-ray emission from a pulsar wind ...

Many know the Great Orion Nebula (M42) in Orion’s Sword as a bright diffuse nebula — a glowing cloud of cosmic gas illuminated by the Trapezium star cluster. But the Orion Nebula also has a dark side, ...

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 light ...