galaxy

Latest about galaxy

Stunning supernova remnant looks like Pac-Man gulping down stars

By Harry Baker published 14 October 21

NASA has released a picture of a Pac-Man-shaped supernova remnant in the Large Magellanic Cloud galaxy that was recently captured by the Hubble telescope.

Astronomy

Energy burst from most distant known galaxy might have been a satellite orbiting Earth

By Christopher Lowell published 8 October 21

Opinion The cosmos is the stage for a variety of giant explosions.

Opinion

This Hubble Space Telescope photograph showcases the majestic spiral galaxy UGC 2885, located 232 million light-years away in the northern constellation Perseus.

What is a galaxy?

By Adam Mann published 25 August 21

Learn all about different types of galaxies in the universe and how they came together.

Cosmology

Astronomers discovered a 'break' in the Milky Way's Sagittarius spiral arm, looking toward the center of the galaxy (seen here in infrared).

Milky Way has a 3,000-light-year-long splinter in its arm, and astronomers don't know why

By Brandon Specktor published 19 August 21

Astronomers discovered a 3,000-light-year-long 'break' in the Milky Way's Sagittarius spiral arm, jutting out at a wild angle.

Cosmology

The three galaxies are yanking strands of material from each other as they spiral ever closer.

NASA has glimpsed our galaxy's fate in three-way galactic brawl

By Ben Turner published 6 August 21

Despite the apocalyptic appearances, galactic mergers are a frequent and essential part of a galaxy’s life cycle.

Cosmology

This radio band composite image of Arp 187, obtained by the VLA and ALMA telescopes (blue: VLA 4.86 GHz, green: VLA 8.44 GHz, red: ALMA 133 GHz), shows clear bimodal jet lobes. But the central nucleus (center of the image) is dark.

Astronomers spot 3,000 light-year 'light echo' of dying supermassive black hole

By Rahul Rao published 2 July 21

The "active galactic nucleus" phase of the supermassive black hole at the heart of the galaxy Arp 187 has apparently just ended.

Black Holes

How fast does the Earth move?

By JoAnna Wendel published 27 June 21

Our planet is constantly moving, racing around the sun and spinning on its axis. But how fast does it move?

Astronomy

Artist’s illustration of a galactic wind driven by a supermassive black hole located in the center of a galaxy. The intense energy emanating from the black hole creates a huge flow of gas that blows away the interstellar matter that is the material for forming stars.

Scientists spot earliest-known supermassive black hole 'storm'

By Mike Wall published 23 June 21

Scientists have found the earliest known "storm" generated by a supermassive black hole, a discovery that could shed considerable light on the coevolution of galaxies and their central black holes.

Black Holes