Galaxy Mergers

Astronomers Find the Most Massive Pair of Supermassive Black Holes Ever Seen

Supermassive black holes have been found at the heart of most galaxies but understanding how they have formed has eluded…

1 month ago

Hubble Sees a Bridge of Stars Connecting Two Galaxies

The poetic-minded among us like to point out how Nature is a dance. If they're right, then galaxies sometimes form…

2 months ago

The JWST Solves the Mystery of Ancient Light

The very early Universe was a dark place. It was packed with light-blocking hydrogen and not much else. Only when…

3 months ago

JWST Sees Merging Galaxies Releasing the Light of a Trillion Suns

If we want to know what it'll look like in about 4.5 billion years when our galaxy merges with Andromeda,…

12 months ago

Astronomers Uncover Mass Migration of Stars into Andromeda

Astronomers know that galaxies grow over time through mergers with other galaxies. We can see it happening in our galaxy.…

1 year ago

The Perfect Tidal Tail Connects These two Galaxies Seen by Hubble

Sometimes it's tempting to imagine a supernatural hand behind the arrangement of celestial bodies. But the Universe is big, huge…

1 year ago

Part of the Milky Way Is Much Older Than Previously Believed

The Milky Way is older than astronomers thought, or part of it is. A newly-published study shows that part of…

2 years ago

Astronomers see an Enormous Shockwave, 60 Times Bigger Than the Milky Way

Astronomers have a thing for big explosions and collisions, and it always seems like they are trying to one-up themselves…

2 years ago

The Large Magellanic Cloud Stole one of its Globular Clusters

Astronomers have known for years that galaxies are cannibalistic. Massive galaxies like our own Milky Way have gained mass by…

2 years ago

Rare Triple Galaxy Merger With at Least Two Supermassive Black Holes

One of the best things about that universe is that there is so much to it.  If you look hard…

3 years ago