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Geraint Lewis at 51�� Live 2019

Video

The search for aliens: Is anybody out there?

Intelligent life in the universe seems to be vanishingly rare. Astrophysicist Geraint Lewis reveals our odds of us ever meeting aliens

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

Features

dust clouds in space

Space

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

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Avi Loeb

Video

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

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Leigh Fletcher

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Voyage to Jupiter: What the Juno mission can teach us

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Javier Martin-Torres

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

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Javier Martin-Torres

Video

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

Video

Vikram debris on the moon

Space

NASA has found the remnants of India’s Vikram moon lander

In September, India’s attempted moon landing ended in a crash, but the debris was lost. Now NASA has pinpointed where the Vikram lander smashed down

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Video

Time travel and black holes: The weird promise of Einstein’s universe

Video

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Martin Rees: Humanity's future – predictions for the next century

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The inside story on 'Oumuamua and other interstellar worlds

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Exploring the wonders of the solar system

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