Answers to questions about space science, astronomy, rockets, planets, galaxies, stars...
How do astronauts cook in space?
Is there a planet where the singer 'Prince' can literally see you laughing in the purple rain?
Is there another rocky planet like ours out in the universe?
Surely space travel can't be worse than the M25.
Of all the colours it could've chosen, why did it pick such a boring one?
Far far away, the star Betelgeuse has done something strange. Could it be a sign that it's about to explode?
Could you survive a holiday to the red planet?
Is Jeff Bezos an astronaut ? Why not get in touch and let us know what you think?
The body of a floating astronaut would have to decompose eventually, wouldn't it?
NASA announces plans for a rover to return to the moon and also proposes a manned mission to the lunar surface
Only a fraction of the universe is visible to the naked eye: how do we observe that which can't be seen?
Stars like the 1181 AD 'Guest Star' are no longer visible, so how can we work out what they were?
As our Universe expands, light stretches and so loses energy... but where does this energy go?
Curious whiffs of methane are emanating from Mars: did life make them?
The team took stamps into space, but got sent packing by NASA...
How high you need to go, if at all, to experience microgravity...
Why are monied entrepreneurs all dashing into space this week?
Astrophysicist Katie Mack weighs in on the state of the sky...
What's really out there in the darkness of space?
Given the Big Bang was such a quick expansion, are we at risk of equally quickly shrinking down again?
Listener David asks how to measure time during space travel - and how the body clock gets affected...
North Carolina State University's Katie Mack answers our listener questions...
Test yourself on these physics facts and space head-scratchers!
Will the universe end up starless?