Curated Video
3 Galaxies That Shouldn't Exist
The universe is a big place full of galaxies that we've only begun to study. SciShow Space presents 3 of the strangest ones we've found so far.
Curated Video
Where Do the Biggest Galaxies Come From?
Submillimeter galaxies are ancient, dense, massive galaxies with up to 10 times the number of stars in the Milky Way, and for a long time, scientists couldn’t even figure out how they existed in the first place.
Curated Video
How Many Galaxies Are There?
We've been trying to count the galaxies in the universe since the mid '90s, but our estimates change as our tools improve. So what does our current estimate really mean?
Curated Video
Envisioning an Ultra-Deep Field from NASA's Roman Space Telescope
A team of astrophysicists has created a simulated image that shows how the Nancy Grace Roman Space Telescope could conduct a mega-exposure similar to but far larger than Hubble’s celebrated Ultra-Deep Field Image. This Hubble observation...
TED Talks
Henry Lin: What we can learn from galaxies far, far away
In a fun, exciting talk, teenager Henry Lin looks at something unexpected in the sky: distant galaxy clusters. By studying the properties of the universe's largest pieces, says the Intel Science Fair award winner, we can learn quite a...
SciShow
Roswell & New Signals from Space
With news of radio signals from distant galaxies, a government agency that wants to investigate extra-terrestrial life, and the 66th anniversary of the Roswell Incident, this week has felt like a '90s science fiction melodrama. Hank's...
TED Talks
TED: A rare galaxy that's challenging our understanding of the universe | Burcin Mutlu-Pakdil
What's it like to discover a galaxy -- and have it named after you? Astrophysicist and TED Fellow Burcin Mutlu-Pakdil lets us know in this quick talk about her team's surprising discovery of a mysterious new galaxy type.
Curated Video
James Webb Space Telescope: Worth the Wait
Building the James Webb Space Telescope is challenging. It is NASA's most ambitious and complex space science observatory. The mission required 10 new technologies to be invented, the dedication of hundreds of scientists, engineers and...
Curated Video
How Black Holes Kill Galaxies
Black holes are really only dangerous if you get too close. Ha, who am I kidding. It turns out they may be responsible for ending star formation across the entire universe. When we first realized that black holes could have masses of...
Curated Video
The Evolution of the Modern Milky Way Galaxy
When we scan the heavens with giant telescopes we see galactic cannibalism everywhere. We see moments that appear frozen on the human timescale, but are really snapshots of the incredibly violent process of galaxy formation. This is how...
Curated Video
Mama, Where Do Galaxies Come From?
For most of human history, we didn't know that galaxies were a thing. So over the past century, astronomers have been working to understand how galaxies come to be and how they evolve over time. And for a full decade, there was one...
Curated Video
Why This Galaxy Gets TWO Black Holes
There’s a massive black hole next door that appears far too big for its host galaxy! And in another galaxy, TWO supermassive black holes formed, giving us a glimpse at a true rarity in astronomy!
Curated Video
How to Kill a Galaxy
Our Milky Way galaxy is alive and well, producing new stars all the time. But there’s another group of galaxies out there, populated only by venerable red dwarf stars - the young stars are nowhere to be seen. In effect, these galaxies...
SciShow
Early Galaxies Ran on Empty Gas Tanks
Many galaxies formed fast after the Big Bang, but about half of them suddenly stopped making new stars and it looks like this is literally because they ran out of gas. And with new instruments and techniques, we are now finding lost...
Curated Video
Meet the Milky Way's Last Big Meal: The Sausage Galaxy
Our Milky Way Galaxy once dined on the Sausage Galaxy, and Jupiter's auroras seem to be heavily influenced by one of its moons. It's a galaxy-eat-galaxy kind of universe out there!
SciShow
Our Galaxy Could Be Full of Exoplanets with Oceans | SciShow News
Earlier this spring NASA announced a new research model that predicts that ocean worlds are far from rare, and our galaxy might be full of them. And a new study examines evidence that Pluto may have had an underground ocean all along!
Curated Video
The Farthest Galaxy We've Ever Seen! | SciShow News
Scientists have spotted a galaxy from the early origins of the universe, and found evidence to support the existence of a 9th planet in our solar system.
Curated Video
Solving Mysteries with the Ancient Galaxies Next Door - SciShow News
Some of the oldest galaxies we’ve ever seen are small, faint satellite galaxies orbiting the Milky Way, and they're providing us with a glimpse of how the universe evolved.
Curated Video
3 of the Universe’s Most Extreme Galaxies
With so many galaxies in the universe, some are bound to astound us. Here are three of the most extreme galaxies scientists have discovered so far.
Curated Video
Our Galaxy Is a Cannibal
Sometimes galaxies eat each other! It's actually pretty common. And it turns out that our own galaxy, the Milky Way, is pretty hungry.
Curated Video
Space Headwinds Might Help Us Find Dark Matter
Some scientists are hoping to use our motion through the galaxy to help detect some of the most elusive particles of all: dark matter.
Curated Video
There's Alcohol in the Middle of the Galaxy!
There's a massive cloud in the center of our galaxy, and it's full of alcohol. Party in the Milky Way! But how did it get there? And what does it have to do with the search for life elsewhere in the universe? SciShow Space explains!
Curated Video
There’s a Rectangle Galaxy?
You're probably used to real galaxies having curves, except not all of them seem to have gotten the memo.
Curated Video
This Galaxy Is in the Midst of Dying | SciShow News
This week in news, scientists have found a galaxy coming to a smashing end, and a neutron star that's... The most.