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We’ve Never Seen This Happen In Space Until Now
This compilation reveals the incredible space events we’ve observed for the first time. From witnessing planets as they form and peering into Jupiter’s core, to capturing a supernova explosion in real time, and getting our first direct look
These Dark Shadows Revealed Something Extraordinary
A compilation of videos revealing the skies on other worlds. What do eclipses look like on other planets, in our solar system and beyond? We’ll explore the hunt for distant exoplanets, and find out why planets blocking starlight matters m
Saturn’s Moon Hyperion Is Mostly Empty Space
Saturn’s moon Hyperion might be the weirdest object in the solar system. In this video, we’ll explore Hyperion’s spongy surface, mostly empty interior, chaotic motion, and its strange power to dish out electric shocks from 2,000 km away…▀▀▀
Have We Finally Found a Real Wormhole?
In 2019, scientists detected a signal that no one could explain. But now, they have proposed a mind-bending theory that could solve the mystery, and makes it a whole lot weirder… The signal might have come from a wormhole. Weirder yet, it c
The New Threat to the Ozone Layer | Astrum Earth
You might have heard of the hole in the ozone layer. In the 1980s, it caused a global panic. But why does no one talk about it anymore? Did we actually fix the hole in our atmosphere? In this video, we’ll uncover the truth, and discover the
We Found the Fastest Matter in the Universe
A compilation of Astrum videos exploring the fastest speeds in the universe. We’ll investigate the universe’s most extreme particle accelerators: the most powerful particle jets in the universe, black holes ejecting matter at almost the sp
We’ve Seen Closer to the Surface of the Sun Than Ever Before
ESA’s Proba-3 mission has achieved a world first. It created an artificial eclipse in space. Not just once, but over 50 times. In this video, we’ll discover how these two tiny probes are revolutionising our ability to study the Sun’s inner
Euclid Found an Entire Galaxy Made of Dark Matter
New images and discoveries from the Euclid Space Telescope. This supercut explores the most powerful survey telescope ever: Euclid. We’ll take a journey through Euclid’s most stunning images to date, and find out what it has discovered on i
Where Is All the Antimatter in the Universe?
This compilation is all about one of the biggest mysteries in physics: antimatter. We’ll explore what it is, where it could be hiding in the universe, and reveal what CERN has discovered so far. Why are antimatter particles bombarding the E
We Finally Know Where Saturn’s Rings Came From
Think Saturn was born with rings? Think again. Cassini data proved the iconic ring system formed only recently in Saturn’s life. And in this video, we’ll explore the brand-new 2026 research that explains exactly how it happened.▀▀▀▀▀▀ Thank
This New Evidence Just Gave T. Rex a Serious Upgrade | Astrum Earth
Did we get the T. Rex all wrong? New evidence suggests it was even bigger, stronger and deadlier than scientists previously thought. From its teeth, to its size, strength and speed, find out how recent breakthroughs have turned what we knew
NASA Found Something Lurking at the Edge of Our Solar System
What’s at the edge of our solar system? This Astrum compilation journeys to the boundaries of the Sun’s reach. We’ll explore the evidence for Planet 9, other strange planetary bodies lurking in the shadows, and discover what Voyager found a
Something Bizarre Is Happening at the Sun's South Pole
Why was the Sun’s recent solar maximum twice as strong as predicted? In 2024-2025, the Sun entered a fiery active phase that completely defied expectations. But thanks to NASA's Parker Solar Probe, we now have observations taken from inside
The Speed of Light Reveals Something Strange About the Universe
What would happen if you travelled near the ultimate speed limit of the universe? Spoiler: strange things start happening to space and time. This Astrum compilation explores the speed of light. Find out what the speed limit really means in
The Speed of Light Reveals Something Strange About the Universe
What would happen if you travelled near the ultimate speed limit of the universe? Spoiler: strange things start happening to space and time. This Astrum compilation explores the speed of light. Find out what the speed limit really means in
Why Scientists Think This Is Our Strongest Evidence of Aliens
Did we find evidence of aliens in old astronomical records?We might not be alone in the Universe. While combing through data from 1949, scientists spotted something impossible: strange, vanishing lights. They look exactly like satellites, b
We've Never Found Anything Like This in the Ocean | Astrum Earth
Deep beneath the ocean lies the longest mountain range on Earth: the Mid-Atlantic Ridge. It’s a world of crushing pressure and intense volcanic activity, where nothing should survive. But when scientists scanned the sea floor, they discover
Why Project Gemini Was NASA’s Riskiest Space Program
In this Astrum episode, we’re digging into NASA’s most dangerous mission ever: Project Gemini. With the space race heating up, this series of 10 risky space flights - including NASA’s first spacewalk - pushed astronauts to the absolute edge
We Found a Supermassive Black Hole Hurtling Through Space
For the first time ever, scientists have spotted a runaway supermassive black hole hurtling through space… alone. Leaving a trail of newborn stars in its wake, this cosmic giant is defying everything we know about how black holes behave. In
Should Pluto Be a Planet Again?
Will Pluto ever be a planet again? This supercut explores our favourite dwarf planet: Pluto. We’ll discover why its planetary status really got revoked, take a closer look at what’s hiding under the surface, and reveal the surprising discov
This Gravity Explanation Will Make You Question the Entire Universe
This compilation brings together Astrum’s best content on one of the universe’s biggest mysteries: gravity. We’ll dive into some mind-bending concepts: how gravity is actually just mass warping the fabric of spacetime, how gravitational wav
This Moon Collision Did Something Crazy on Earth
Our Moon is covered with scars, but one is more recognisable than any other: Tycho. Formed in a violent impact that sent debris flying toward Earth, this iconic crater holds clues to the Moon’s hidden secrets. In this video, we’re digging i
The Giant Creatures Lurking Deep in the Ocean | Astrum Earth
Earth’s deepest oceans are full of real-life monsters: colossal squids, crabs the size of cars, and sharks with catapulting jaws. In this video, we’re exploring the giants of the deep sea. Find out what scientists have discovered, and why t
The Universe’s Structure Doesn’t Make Sense
This compilation dives into the biggest mysteries in the universe: dark matter and dark energy. Discover the cosmic web holding our universe together, how it's evolving, and what it’s actually made of. ▀▀▀▀▀▀ Astrum's newsletter has launche
Sagittarius A* Might Not Be a Black Hole
A new theory is challenging everything we know about Sagittarius A*, the supermassive object at the heart of our galaxy. For decades, physicists have been certain it’s a black hole. They have observed its effects and even built a planet-siz
These Orbits Are Not Normal
This compilation explores the weirdest orbits that could ever exist. We’ll explore backwards-orbiting Moons, strange orbits at the outer edge of our Solar System, and theorise how planets could exist with multiple suns. Join us to find out
3I/ATLAS Just Did the Strangest Thing Yet
3I/ATLAS is leaving the Solar System. Having flown past Jupiter and now rapidly receding into deep space, the interstellar object has scientists scrambling to make final observations before it is out of reach forever. In our fourth and fina
A Super El Niño Is Coming in 2026 | Astrum Earth
El Niño is coming, and it’s predicted to be stronger than ever. This year, scientists predict a “Super El Niño” - the most powerful ever recorded. And the data says it could emerge by August. What would a super El Niño mean for us? Should w
How Big Is the Biggest Star in the Universe?
This compilation features some of the weirdest stars in the universe. We’ll investigate Betelgeuse’s impending implosion, why Polaris defies our measurements, and reveal the largest stellar monsters ever discovered. What makes these stars s
The Technology That Could Make Sci-Fi a Reality
The future of space travel might be closer than you think. Could we actually unlock interstellar travel, or is it destined to stay in science fiction? What technology will actually get us there? In this video, we’re diving into the mind-b
