One of the largest emission nebulae in the far northern sky can be found in IC 1396, a bright glow in Cepheus that contains several complex objects. Among them are the red supergiant star Mu ...

One of the largest emission nebulae in the far northern sky can be found in IC 1396, a bright glow in Cepheus that contains several complex objects. Among them are the red supergiant star Mu ...

Over time, these stars became known as Wolf-Rayet stars (Charles Wolf was a French astronomer, and helium was first detected ...

Learn more about how the Vera C. Rubin Observatory will capture more of our stunning universe.

Letter Published: 15 June 1929 Emission Lines in the Spectrum of the Solar Corona W. ZESSEWITSCH & W. NIKONOW Nature 123, 909–910 (1929) Cite this article ...

A groundbreaking new survey from China’s LHAASO observatory has unveiled powerful ultrahigh-energy gamma-ray emissions across ...

Pan on the Chamaeleon I dark cloud. Credit: CTIO / NOIRLab / DOE / NSF / AURA; Image Processing: T.A. Rector (University of Alaska Anchorage / NSF NOIRLab), M. Zamani & D. de Martin (NSF NOIRLab ...

Scientists have discovered that something is making cosmic distance markers appear much farther away than they should be.

MUSE observations identified about 500 planetary nebulae in the Sculptor galaxy, roughly 20 times more than previous studies had found. With this massive sample size, the team expected to get the most ...

Named for the nearby star Rho Ophiuchi, this region in the constellations Ophiuchus and Scorpius boasts emission, reflection, and dark nebulae, star clusters, and a red 1st-magnitude star, Antares.