A powerful roar rocked the forest before the silhouette of a lioness appeared at an Indian reserve, a potent image of how ...

New simulations reveal that the Milky Way’s odd split between two chemically distinct groups of stars isn’t a universal ...

The twin telescopes of the Gemini Observatory mark 25 years of discovery as students name distant nebula Ua ʻŌhiʻa Lan.

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Astronomer Michael R. Blanton will join the Carnegie Science Observatories as its 12th director, overseeing astronomical ...

The vantage point at Cerro Pachón, with its dark skies and high-altitude clarity, enhances the richness of the image.

Across the galaxy, astronomers now see that planetary systems fall into four broad classes, and our own solar system, part of the rare Ordered group, is only one of them. At the same time, discoveries ...

The Full moon, the Yule Moon, is on December 4. This is a supermoon, the second largest of 2025. The next evening, the moon ...

The universe, which originated 14 billion years ago in the Big Bang, remains to evolve. Stars and galaxies form, age, and ...

A newly proposed type of supermassive black hole surrounded by a dense gas shell may account for the small red dots seen in ...

An expanding universe complicates this picture just a little bit, because the universe absolutely refuses to be straightforward. Objects are still emitting light, and that light takes time to travel ...

A new study of M31, also known as Andromeda, explains how our cosmic neighbor kills off smaller nearby galaxies.