Almost everything you could want to know about Saturn's sixth largest moon, Enceladus.

When OSIRIS-REx took a sample from the Nightingale Crater on the Bennu asteroid.

...because of Newtonian physics. But Albert Einstein and relativity had other ideas

NASA decided to crash a spacecraft as hard as they could into Comet Tempel 1. But why?

Everything you could want to know about Neptune's largest moon, Triton. NASA Voyager 2 images of Triton explained.

The Halley Armada, Giotto, Vega 1 and 2, Suisei and Sakigake, all visited Halley's Comet at roughly the same time in 1986. What did they discover? Why was this such a groundbreaking mission?

The biggest explosion ever seen: Shoemaker-Levy 9.

The weird effects of Einstein's theory of gravitational time dilation.

Why Mercury has only had one dedicated mission.

Evolution is slow. What if we get the power to take matters into our own hands?

The catastrophic effects of the ‘Lunar Nodal Cycle’.

Explore the vastness of the universe, from the smallest moons to the billions of galaxies that make up the cosmos. This engaging journey highlights the immense scale, scientific curiosities, and fascinating facts about planets, stars,...

I have long wanted to make a video about chaos, ever since reading James Gleick's fantastic book, Chaos. I hope this video gives an idea of phase space - a picture of dynamical systems in which each point completely represents the state...

Join Constantine Tsang and the ANSMET team on their NASA-funded quest to uncover meteorites in Antarctica.

NASA's Lunar Reconnaissance Orbiter shows the Moon has some pretty unusual features!

When something is as incredibly difficult to get to as Mercury, it is extremely tricky to study. Which is one of the reasons why in all of human history, there have only ever been 2 missions to Mercury, with just one more on the way....

Why shouldn't we throw garbage into the sun? Find out in this return of our series 'Astrum Answers'.

Is it a coincidence? Or is something else at play here?

Verona Rupes, found on Uranus' moon Miranda, is 20km tall! But because Miranda is so small, and its gravity so weak, would you survive falling off it? Astrum answers!

Everything you could want to know about the December 2020 Great Conjunction of Saturn and Jupiter. Astrum merch now available!

Astrum investigates some examples of the longest and shortest years that we know of. The differences are mind-boggling!

What's happening in 2020 with space agencies across the world?

How big do you think our solar system is? Up until Pluto? A bit beyond? How big can other solar systems get? Astrum answers!

What new findings have we discovered about our favourite little world, Pluto?