In recent years, one of the most troubling puzzles in astrophysics has grown more urgent. Scientists have realized that the universe seems to be expanding faster than expected, throwing a wrench into ...

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

The mystery of galaxies in the early Universe just got even weirder. A team of astronomers has identified a giant spiral galaxy so well-formed that it already has a stable galactic bar; a long, ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. When will the Milky Way collide with the Andromeda Galaxy?

A photographer in New Zealand captured a once-in-a-lifetime celestial scene that blended multiple rare sky phenomena into one ...

In this combination of images from NASA/ESA shows three future scenarios for Milky Way & Andromeda encounter. Top left: Galaxies bypass at 1 million light-year separation. Top right: At 500,000 ...

A Milky Way doppleganger discovered in the early universe suggests some key physical ingredient is missing from cosmological models. When you purchase through links on our site, we may earn an ...

The James Webb Space Telescope has captured an image of a baby, Milky Way-like galaxy that formed more than 13 billion years ago. This "Firefly Sparkle" galaxy could reveal how our own galaxy evolved.

The Milky Way's satellite galaxies are less typical than previously thought. Most Milky Way-like galaxies have star-forming satellite galaxies, unlike our own. The Milky Way's unique satellite galaxy ...

The Methuselah Star, also known asHD 140283, has long been a subject of fascination among astronomers. Its age, initially ...

At the heart of the Milky Way, a faint and widespread glow of gamma rays has puzzled astronomers for decades. The light could ...