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Milky Way

The Milky Way galaxy shown in X-rays.
Abstractions blog

Galaxy-Size Bubbles Discovered Towering Over the Milky Way

January 6, 2021

For decades, astronomers debated whether a particular smudge was close-by and small, or distant and huge. A new X-ray map supports the massive option.

A computer simulation of two galaxies colliding.
astrophysics

The New History of the Milky Way

December 15, 2020

Over the past two years, astronomers have rewritten the story of our galaxy.

astrophysics

Astronomers Creep Up to the Edge of the Milky Way’s Black Hole

October 30, 2018

Hot spots have been discovered orbiting just outside the supermassive black hole at the galaxy’s center. Their motions have given us the closest look at that violent environment.

An artist’s conception of the Vela Supercluster peeking out from behind the Milky Way’s Zone of Avoidance.
astrophysics

Hidden Supercluster Could Solve Milky Way Mystery

November 21, 2017

Astronomers generally stay away from the “Zone of Avoidance.” When one astronomer didn’t, she found a giant cosmic structure that could help explain why our galaxy moves so fast.