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extraterrestrial life

Mars may once have had right conditions for RNA to develop into life

Space

Mars may once have had right conditions for RNA to develop into life

When Mars was young, parts of the planet may have been able to sustain RNA, a molecule that probably played a key role in the beginnings of life on Earth

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Solar flares and cosmic rays may make Proxima b warm enough for life

Space

Solar flares and cosmic rays may make Proxima b warm enough for life

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Abiogenesis

Life

First self-replicating molecules may have had just two ingredients

51¶¯Âþ

Uploading your brain will leave you exposed to software glitches

Humans

Uploading your brain will leave you exposed to software glitches

Comment

Jill Tarter

Space

Jill Tarter: The hunt for alien life is only just beginning

Regulars

Octopuses were thought to be solitary until a social species turned up

Life

Octopuses were thought to be solitary until a social species turned up

Features

A close-up of the 3D printed reconstruction of a female Denisovan,

Life

AI genome scanner says Denisovans could live until 38 years old

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Exploring the deep ocean and the surprising creatures that live there

Video

Exploring the deep ocean and the surprising creatures that live there

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?

The rise of the private space industry may mean allowing Earth microbes to escape to other worlds, but is it worth the risk?

Insight

Life

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

Features

Life

Extinction is a fact of life. Could we stop it – or even reverse it?

Features

Life

Predators may make prey get smart and grow more brain cells

51¶¯Âþ

Video

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

Video

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