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space-time

ISS

Space

This Christmas Eve, spot Santa's sleigh flying through the sky

Delight the kids in your life by showing them the International Space Station – it looks just like Santa delivering presents around the world

Regulars

A prototype of SpaceX's Starship spacecraft

Space

2019 was the year we got serious about walking on the moon again

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Doctor Strange

Physics

Time travel without paradoxes is possible with many parallel timelines

51¶¯Âþ

Conspiracy theories: Why do so many people doubt the moon landings?

Video

Conspiracy theories: Why do so many people doubt the moon landings?

Video

Welcome to Lunarville: Building a permanent settlement on the moon

Video

Welcome to Lunarville: Building a permanent settlement on the moon

Video

The world’s biggest telescope and the African astronomy revolution

Video

The world’s biggest telescope and the African astronomy revolution

Video

Geraint Lewis at 51¶¯Âþ Live 2019

Video

The search for aliens: Is anybody out there?

Video

Imagined Mars settlement

Space

Should SpaceX be allowed to contaminate Mars with Earth microbes?

Insight

Inflatible green Aliens standing in line

Life

Alien life could be weirder than our Earthling brains can ever imagine

Features

Abstract big bang conceptual image

Space

Big bang retold: The weird twists in the story of the universe's birth

It certainly wasn’t big, and probably didn’t bang – and the surprises in the conventional story of the universe's origins don’t end there

Features

Space

We finally know how whole planets grow from tiny clumps of dust

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Video

When will we hear from aliens? We may already have done so

Video

Video

Voyage to Jupiter: What the Juno mission can teach us

Video

Video

Life on Mars: Could we build a home on the Red Planet?

Video

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