A breathtaking new image of the RCW 38 star cluster showcases a cosmic nursery bursting with color, light, and energy.

This exoplanet’s extreme climate defies all models. WASP-121b is one of the most studied exoplanets. Known for its extreme conditions—such as clouds of metal vapor—it belong ...

Astronomers have peered through the atmosphere of a planet beyond the Solar System, mapping its 3D structure for the first ...

Astronomers have peered through the atmosphere of a planet beyond the Solar System, mapping its 3D structure for the first time. By combining all four ...

For a brief moment at the end of February, every planet will appear in the night sky simultaneously in a rare celestial ...

Gum 41, a radiant nebula in the southern sky, glows due to powerful radiation from a pair of massive stars at its core. This ...

China has begun recruiting for a planetary defense force after risk assessments determined that an asteroid could conceivably ...

New data reveals a 3-million-light-year filament connecting two galaxies, each of which hosts a supermassive black hole.

The European Southern Observatory (ESO) has released a stunning 80 million-pixel image of the star cluster RCW 38, as captured by ESO's Visible and ...

As night falls on the Atacama desert in northern Chile four giant telescopes turn their gaze towards the star-strewn heavens.

Photographers have been sharing their photographs of Comet G3 (ATLAS), which burned bright during January in the southern ...

The area is home to the Paranal Observatory, which houses the European Southern Observatory's Very Large Telescope, used by ...