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WHY haven't we heard from aliens? Nestled amongst the vast clouds of star-forming regions like this one lie potential clues about the formation of our own Solar System

Life

Why haven't we heard from aliens? There is a reason for the silence

The search for extraterrestrial intelligence has been going on for 60 years without success. Given the hurdles to interstellar communication, that's just a blink of an eye

Features

WHY is the universe just right? Spiral Galaxy in deep spcae, 3D illustration

Life

Why is the universe just right for life? Blame the multiverse

Features

WHY do we exist?

Life

Why do we exist? The meaning of life isn’t to be found in the stars

Features

Harold Clayton Urey

Life

Glass flask catalysed famous Miller-Urey origin-of-life experiment

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A sea cucumber, Chiridota heheva

Life

Sea cucumber has modified genes to help it live on hydrothermal vents

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Protoplanetary disc

Space

Maps of planetary nurseries will help the complex hunt for alien life

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Martian surface

Space

Martian cave entrances may offer a life-friendly radiation shield

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vesicles

Life

Organic blobs built in lab may be small step towards synthetic life

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Greenpeace boat

Environment

Inside the fight to stop destructive fishing in marine protected areas

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Kelp surveys on England's south coast monitor a key climate defence

Environment

Kelp surveys on England's south coast monitor a key climate defence

Take a trip aboard a research vessel surveying kelp along England's south coast to see if these plants, crucial for locking up carbon and increasing biodiversity, can recover after a trawler fishing ban went into effect in the area

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Space

Microbes burping methane on Mars may be right next to NASA rover

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Earth

Chris Mason interview: Let's tweak human DNA for life on other planets

Features

Space

The hunt for extraterrestrial life is about to enter a new era

Comment

Space

The clouds of Venus are too dry to support life as we know it

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