Milky Way

Rethinking the Milky Way’s “Galactic Fountain”

The Milky Way recycles gas from dying stars to make new ones — but new observations show pristine gas also comes in from outside our galaxy.

Solar System

Astronomy in Pictures: Saturn and the Milky Way

The James Webb Space Telescope offers a new view of Saturn, while the IceCube Observatory creates a neutrino-painted picture of the Milky Way.

X-ray image of galactic center

Black Holes

Milky Way's Central Black Hole Flared 200 Years Ago

A glowing molecular cloud shines today because of a 200-year-old flare let out by our galaxy’s supermassive black hole, scientists say.

Like moths in the lamplight

Galaxies

Star Clusters Reveal the "Kraken" in the Milky Way's Past

Astronomers have reconstructed the Milky Way's merger history, finding that our galaxy has absorbed five large satellite galaxies in the last 12 billion years.

Four sightlines through the Milky Way halo

Galaxies

The 10 Million-Degree Gas Around the Milky Way

New observations show ultra-hot gas around the Milky Way. Stellar explosions may have driven this gas out of our galaxy.

Magnetic field in the galactic center

Milky Way

Magnetism Rules in the Milky Way’s Core

Recent observations from the airborne SOFIA observatory show that magnetic fields — not gravity — govern the gas at the center of the Milky Way.

Star-forming outflow in a Milky Way-like galaxy

Milky Way

Is the Milky Way Throwing Out Forming Stars?

Some of the scant stars dwelling in the Milky Way's halo may have an unexpected origin: They may come from the galaxy itself.

The Milky Way's warp

Milky Way

The Milky Way’s Warped Tutu Twirls Every 600 Million Years

Astronomers have known for decades that our galaxy is warped. Now, they can follow the warp’s rotation as it travels around the galactic center.

Deep Sky

Welcome Back, Milky Way!

Twilight's end brings the return of the summer Milky Way to the eastern sky. We unravel the anatomy of our home galaxy by teasing out the hidden structures within that glowing band. 

Milky Way and globular clusters

Milky Way

The Milky Way Contains the Mass of 1.5 Trillion Suns

Astronomers are using Gaia and the Hubble Space Telescope to make the most precise measure of the Milky Way’s mass to date. The new result puts our galaxy on par with — if not more massive than — Andromeda.

ALMA image of quasar merger

Astronomy & Observing News

60-Second Astro News: A Carnivorous Quasar and a Galaxy Ghost

In astronomy news this week: The most luminous quasar known in the cosmos is devouring three galaxy companions, while a newly discovered ghostly satellite of the Milky Way hints at hordes more just waiting to be found.

Milky Way ancient merger

Galaxies

Ancient Merger Wreckage in the Milky Way

Mounting evidence indicates that our galaxy smashed up another smaller galaxy roughly 10 billion years ago.

Imaging Foundations with Richard Wright

Tips for Shooting the Milky Way

It’s summer time, and the Milky Way is beckoning. Here are a few tips to help get you started photographing our galaxy.

Deep Sky

Shadow Play — Summertime Dark Nebulae for Binoculars

Using only binoculars, we explore a host of inky dust clouds, the dark nebulae that smudge the Milky Way on late summer nights.

Explore the Night with Bob King

Meet the Shy Side of the Local Group

The Local Group galaxies and their kin are the building blocks of the most magnificent galaxies in the universe. Let them inspire your winter nights.

Stargazer's Corner: Adventures Under the Night Sky

The Town-Sized Milky Way Project

I turned my town into a model of the Milky Way Galaxy for my high school astronomy project.

Land of Black and Light

Celestial Objects to Observe

Paddle the Milky Way's Dark River

Take an imaginary journey in a boat down the Milky Way's Great Rift, exploring rich star clouds and dark nebulae along the way.

Starry abyss!

Explore the Night with Bob King

What Can You See Through Baade's Window?

Cobwebs of cosmic dust limit how far we can see into the Milky Way's hub, but Baade's Window offers a rare glimpse into the stellar riches that await us there.