Colin Stuart
Science communicator
Colin Stuart is a multi-award-winning astronomy author, keynote speaker and schools science presenter. He has presented astronomy talks to over half a million people including schools, the public and businesses. He has written 20 books that have sold over 400,000 copies worldwide and been translated into 24 languages. The asteroid (15347) Colinstuart is named after him.
Recent articles by Colin Stuart
When enormous black holes collide, something happens that scientists can't explain
There is an unsolved problem surrounding the merging of supermassive black holes in colliding galaxies.
Our Sun won't last forever. This is what will happen when it dies – and which planets will survive
Will the planets will survive our Sun’s far-off fate of swelling out into the Solar System as a red giant?
Can a black hole die?
We can predict the fate of black holes by understanding a process called Hawking Radiation.
We don't know why anything exists at all. Nine things we still can't explain about the Universe
Some of the cosmic mysteries eluding explanation.
Want to age slower? Go into space. Scientist reveals time is relative and space-travel keeps us young
Astronauts age slower in space compared to people on Earth. In fact, if you could travel fast enough through space you could time travel.
Scientists may have got the Universe completely wrong. Here's why
Confused about black holes? Get the key facts in our beginner's guide
What is a black hole made of? Is there anything on the other side? How do we know they exist?
Think black holes are black? They can be some of the brightest objects in the Universe. Here's why
If black holes are black, how can they give off light?
Nuclear pasta explained
Strange shapes of spaghetti and other pasta types thread their way around neutron stars.
Key eras and ages of the Universe
Timescape theory could solve dark energy mystery
Stephen Hawking beginner's guide and his biggest discoveries
Stephen Hawking’s work revolutionised our ideas about how the Universe began.
Gravity bends light, space and time. Here's how
A guide to the force known as gravity and how it affects light, space and time, and how it theoretically makes time travel possible.
Neutron stars explained
Neutron stars are some of the densest objects in the Universe.
How do we measure distance in space?
How do we know how far away objects are in space, and what units of measurements are used in astronomy for determining these distances?
What could dark matter be? Five key theories
Biggest stars in the Universe and how to see them
Use our star charts to help you point your telescope at 4 mindblowing hypergiants.
Galaxy collisions are chaotic but crucial. Without them, humanity might not exist
Galactic mergers seem devastatingly violent, but without them the Universe as we know it – including life on Earth – might not exist.
How are black holes formed? Astronomers are on the brink of discovering the secret
We’re on the edge of discovering where these monstrous gravity sinkholes come from.
VY Canis Majoris, one of the biggest stars in the Universe, is so huge you could fit 3 billion Suns inside it
Just how big is VY Canis Majoris and how does its size compare to that of the Sun and planet Earth?
How black holes were first discovered
The story of how black holes went from theory to discovery.
Hypergiant stars are the behemoths of the cosmos
New research is uncovering the weird workings of the largest stars in the Universe.
Star UY Scuti is so big, you could fit 5 billion Suns inside it
Is UY Scuti really the biggest star? And how does it compare to the size of our Solar System?
Astronomy explained | What is Hawking radiation?
Particles appearing on the edge of a black hole could cause it to lose mass over time.
