1–20 of 146 results
A Worthy Challenge in Orion

Milky Way

Supernovae Swept Out Barnard's Loop in Orion

Astronomers have mapped Orion in 3D to understand the origin of the large arc of Barnard’s Loop — and you can interact with the 3D image!

a black dot at the center of a swirl of pink, purple, orange, grey, and other colors

Black Holes

Have We Found the First Rogue Black Hole in the Milky Way?

Hubble observations have revealed a stellar-mass compact object — a black hole or possibly a neutron star — wandering our galaxy.

Milky Way, edge-on view

Milky Way

Hundreds of Thousands of Stars Reveal the Milky Way’s “Teenage” Years

A census of hundreds of thousands of subgiant stars in our galaxy provides a window into the Milky Way's early history.

HD 93521

Milky Way

A Star Where It Shouldn't Be

There’s a massive star in our galaxy’s halo, far away from the usual star-forming haunts. How did it get there?

Spectral view of galactic center

Milky Way

Astonishing Radio View of the Milky Way’s Heart

A new radio survey reveals a complex and chaotic galactic center teeming with supernova remnants, star-forming regions, and mysterious filaments.

Local Bubble lined with stellar nurseries

Milky Way

1,000-light-year "Bubble" Is the Source of All Nearby Baby Stars

Supernovae that carved out the Local Bubble, a cavity around the Sun, have also triggered star formation at the bubble's edges.

Twelve for dinner

Milky Way

Stellar Streams Are Revealing Their Secrets

A detailed study of 12 streams of stars swirling in and around the Milky Way will ultimately help shed light on our galaxy's dark matter halo.

Map of the Milky Way and the C-19 stellar stream

Milky Way

Astronomers Discover Celestial Ruins on Our Galaxy’s Edge

A stream of stars scattered across 15 degrees of sky was once part of a globular cluster torn apart by our galaxy’s gravity. The stars represent some of the oldest in the Milky Way.

Leo I dwarf galaxy

Black Holes

Tiny Galaxy’s Giant Black Hole Throws Astronomers for a Loop

A satellite galaxy dwarfed by the Milky Way has a black hole nearly as massive as the one at the center of our galaxy.

Magellanic Clouds

Milky Way

How Our Largest Dwarf Galaxy Keeps the Others In Line

New research may explain why satellite galaxies align themselves around the Milky Way

Black hole-powered mushroom cloud in space

Black Holes

Astronomy in Pictures: Black Holes, Baby Stars, and Magnetic "Tunnels"

Astronomers witness the unfurling of a black hole-powered mushroom cloud, a baby super-Jupiter, and a magnetic "tunnel" around the solar system.

Clouds in the Milky Way halo (art)

Milky Way

Take a Deep Look into the Milky Way Halo

New analysis shows the best view of the Milky Way halo to date, providing a window into our galaxy's future star formation.

NGC 5453 globular cluster

Night Sky Sights

In Heaven with M7, a Portal Into the Deep

M7 in Scorpius is one of the brightest, most beautiful open clusters in the sky. It's also "home" to a half-dozen other delectable deep-sky sights.

The Large Magellanic Cloud's

Milky Way

Dark Matter "Wake" in the Milky Way's Outer Reaches

Astronomers have discovered that a satellite of the Milky Way has left a "wake" in the dark matter halo that surrounds our galaxy.

An artist's impression of a gas cloud as it passes the black hole at the center of the Milky Way.

Milky Way

Flares from the Milky Way’s Supermassive Black Hole

The supermassive black hole at the center of the Milky Way released an unusual number of strong flares in 2019. Now, astronomers are trying to figure out why.

Photo of an edge-on galaxy encircled by a faint stream of stars.

Milky Way

Seeking the Origins of Galactic Stellar Streams

A recent study has identified the origins of many of the long streams of stars that encircle the Milky Way. These streams may contain hints about our galaxy's past.

Gamma-rays from Milky Way

Milky Way

Tibet Observatory Confirms Existence of Galactic PeVatrons

A Tibetan cosmic-ray observatory has discovered high-energy particle accelerators within our galaxy.

Milky Way impression

Milky Way

The Milky Way’s Local Arm Is Longer Than We Thought

New maps of the Milky Way suggest the Local Arm that we call home is longer than expected — now upgraded to a major spiral feature (but not quite an arm).

Milky Way

What — and Where — Is the North Polar Spur?

Astronomers make the case that a gigantic ridge of gas sticking out of the galactic plane was blown out by a cluster of nearby supernovae.

Milky Way

The Alignment of the Milky Way’s Entourage, Explained

Astronomers are starting to understand why the dwarf galaxies around the Milky Way are aligned along a plane.

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