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A lab experiment that simulated Mars conditions showed that green algae can grow in plastic containers made from the same algae, setting the stage for a self-sustaining system to build habitats on the planet ...

Red heart or thumbs up? Sending emojis to close friends makes them see you as more attentive and likeable than text-only messages do - no matter which emojis you use ...

An ancient human site in Germany features animal bones that were smashed into small pieces and heated to extract fat 125,000 years ago, showing that Neanderthal culinary skills were surprisingly sophisticated ...

We have now learned why wounds in our mouth don't scar, which could lead to treatments that prevent such blemishes on the skin ...

In this latest instalment of Future Chronicles, an imagined history of future inventions, we journey to the 2030s, when hormone implants enabled users to boost everything from pain tolerance to libidos, writes Rowan Hooper ...

Australia has offered a lifeline to the people of Tuvalu, whose island is threatened by rising sea levels. But the deal comes with strings attached - and there will be millions more climate migrants in need of refuge by 2050 ...

Beware the tech leaders making grandiose statements about artificial intelligence. They have lost sight of reality, says Philip Ball ...

These dramatic images show the researchers out to understand the storms that produce the biggest hail ...

The downsides of diagnosis and an epic trek following a Slovenian wolf are among our culture editor's top popular science books of the year to date, featuring a range of authors from Robert MacFarlane to Suzanne O'Sullivan ...

From generation ships to climate change, there has been some stellar sci-fi out in the past six months. Our columnist Emily H. Wilson picks her favourites ...