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A C-shaped xenobot pushes along a cell to create a new clump of cells

Life

Living robots made from frog cells can replicate themselves in a dish

Swarms of tiny "xenobots" can self-replicate in the lab by pushing loose cells together – the first time this form of reproduction has been seen in multicellular organisms

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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

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

Marine protected areas in the English channel are still at risk from fishing activities, finds Adam Vaughan as he visits one on board a Greenpeace vessel

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Environment

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

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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

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