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 ...

Could a climate megaproject cloud Chile's unparalleled views of universe? But a huge green energy project, part of Chile's plans to become carbon neutral, risks clouding the view, scientists say.

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 ...