Big ideas want action, yet patience still helps. Early on, the flighty Moon squares the pushy Sun, pulling comfort and ...

Space Solar revelations as Comet 3I/ATLAS rapidly brightens, a tiny tyrannosaur prompts T. rex rethink, and the unexpected ...

Despite being so high up, there is no night sky — or stars —in Mexico City. Andrea Fischer asked an expert why that is.

We know of three interstellar objects (ISO) that have visited our inner solar system. Oumuamua was the first one, and it came ...

Back on planet Earth, and deep inside a pitch-black, sulfuric cave on the Albanian-Greek border, we reported on a study that ...

First, a quick overview: the Milky Way is classified as a disk galaxy, with a broad circular collection of stars, gas and ...

Observations show the disk of our galaxy is not flat but warped and waving. Astronomers are still working out the reasons why ...

A new model sheds light on the long-standing chemical mysteries found in globular clusters, the ancient archives of the universe. An international collaboration led by ICREA researcher Mark Gieles, fr ...

One other thing the Gaia data has been clarifying is that the Milky Way's disk is not serene and flat, but warped and ...

A new study suggests the Milky Way’s gamma-ray glow could be a dark matter signal shaped by ancient galactic mergers.

Learn how many suns exist in the Milky Way and how to understand how many sun-like stars are out there could help us ...

"It's possible we will see the new data and confirm one theory over the other — or maybe we'll find nothing, in which case it'll be an even greater mystery to resolve." The century-old mystery of dark ...