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Marcus F

Marcus writes practical STEM guides: quick "I'm bored" fixes, honest robotics kit reviews, telescope-free astronomy, and space facts. No fluff, just what works for genuinely curious kids. He's obsessed with activities that actually deliver.

Mercury: The Planet That Shouldn't Make Sense

Mercury: The Planet That Shouldn't Make Sense

Mercury, the closest planet to the scorching Sun, has ice hiding in craters so deep that sunlight has never reached the bottom. It sounds like a contradiction. It is one of the most beautiful facts in the solar system

A Comet From Another Star System Just Passed Through Ours

A Comet From Another Star System Just Passed Through Ours

A comet possibly older than our Sun drifted through our solar system in 2025. It was made around a different star, under different conditions, and its chemistry proves it. Every major telescope turned to look. It will never come back.

The Moon Is Shrinking (And Getting Moonquakes)

The Moon Is Shrinking (And Getting Moonquakes)

The Moon is not a dead, unchanging rock. It's shrinking, cracking, and quaking. New mapping reveals over a thousand previously unknown ridges on the surface, and the most powerful moonquake on record struck right where NASA plans to land astronauts next.

Did You Know? The Sun You See Isn't Really There

Did You Know? The Sun You See Isn't Really There

Sunlight takes eight minutes to reach Earth. Every time you look up, you are seeing where the Sun was, not where it is. If it vanished right now, you wouldn't know for over eight minutes. And that star you're not quite seeing? You could fit 1.3 million Earths inside it.

Why the Sky Is Blue (But Sunsets Are Red)

Why the Sky Is Blue (But Sunsets Are Red)

Sunlight looks white, but it's actually all colours mixed together. Blue light bounces around in the atmosphere, turning the whole sky blue. At sunset, light travels further and the blue scatters away — leaving only the warm reds and oranges.

The Moon That Never Turns Its Back

The Moon That Never Turns Its Back

The Moon spins at exactly the same rate it orbits Earth, so the same face always points our way. Not by chance. Earth's gravity slowly forced it into lockstep over billions of years. The far side existed for millennia as the closest mystery nobody could see.

Footprints on the Moon Will Outlast Almost Everything on Earth

Footprints on the Moon Will Outlast Almost Everything on Earth

Neil Armstrong's bootprints from 1969 are still perfectly crisp on the Moon's surface. No wind, no rain, nothing to disturb them. Scientists think they could last tens of millions of years.