New Scientist Space - Cosmology

From drowned worlds to virtual utopias via deep space, wild ideas abound in Emily H. Wilson's picks for her favourite sci-fi reads of the year

We can't see dark matter directly, so studying it pushes the boundaries of our creativity as scientists. How exciting, says Chanda Prescod-Weinstein

It might sound like dystopian science fiction, but discovering how to reshape memories responsibly is helping us to heal the brain from within, says Steve Ramirez

Women's hidden extra work, positive tipping points and new thinking on autism – there's much to chew on in this year's best reads, says Liz Else

Feedback dives into a new piece of research on the merits of swimming briefs or looser swimming shorts – and raises an eyebrow at its conclusion

Captive giant pandas have been seen breaking off twigs and bamboo pieces to scratch hard-to-reach spots, using a crude opposable thumb that other bears don’t have

New tools that create ultra-precise maps of our tissues are transforming our ability to diagnose and cure once-fatal illnesses

Scientists have finally assigned foot bones found in 2009 to an ancient human species, and the move suggests that different types of hominins lived close by in harmony

Unexplained gamma ray radiation coming from the edge of the Milky Way galaxy could be produced by self-annihilating dark matter particles – but the idea requires further investigation

The laws of thermodynamics don't accurately account for the complex processes in living cells – do we need a new one to accurately measure the ways living systems are out of equilibrium?

Hoverflies, often mistaken for bees and wasps, pollinate three quarters of our crops. Now we’re discovering we can train them to be even more efficient

See some of the winning entries for this year's Oceania Photo Contest, including Miesa Grobbelaar's shot of a whale, which took the top prize

The cultivation of wheat, barley and maize, which are easily stored and taxed, seems to have led to the emergence of large societies, rather than agriculture generally

Our brain wiring seems to undergo four major turning points at ages 9, 32, 66 and 83, which could influence our capacity to learn and our risk of certain conditions

Quantum theory fails to explain how the reality we experience emerges from the world of particles. A new take on quantum cause and effect could bridge the gap

There are widespread concerns that deep-sea mining for metals will damage fragile ecosystems. But if mining ever goes ahead, hydrogen plasma could shrink the carbon footprint of smelting the metal ores

Analysis of the DNA and proteins of a range of animals has revealed that sperm’s molecular toolkit arose in our single-celled ancestors, perhaps more than a billion years ago

As the impact of global warming becomes more obvious, you might expect countries to step up climate action and preparation, but we’re seeing the opposite happen

The 194 countries still taking part in UN climate negotiations reaffirmed the Paris Agreement following the US withdrawal, even if they agreed on little else

From woolly mammoths to giant sloths, via some lesser-known ice-age beasts like 'killer koalas', the visuals in this documentary are simply astounding