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Environment

Why is black rain falling on Iran and how dangerous is it?

US-Israeli strikes on oil facilities have caused black rain to fall on Tehran, but the black smoke filling the air is likely to be a bigger health risk

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Health

A daily multivitamin may slightly slow rates of ageing

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Life

'Singing' dogs may show the evolutionary roots of musicality

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Humans

The first apes to walk upright may have evolved in Europe

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NASA's Solar Dynamics Observatory captured this image of a solar flare on Oct. 2, 2014. The solar flare is the bright flash of light on the right limb of the sun. A burst of solar material erupting out into space can be seen just below it. Full 4k full-disk view. https://svs.gsfc.nasa.gov/11670/

Space

SETI may have missed alien signals because of space weather

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Life

Ancient 'weirdo' reptile graduated from 4 legs to 2 in adolescence

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Technology

How an intern helped build the AI that shook the world

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Lee Sedol appears on TV screens

Technology

The moment that kicked off the AI revolution

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Space

NASA changed an asteroid's orbit around the sun for the first time

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Space

Chemistry clues could detect aliens unlike any life on Earth

Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds could be a useful indicator

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Health

Inflammation might cause Alzheimer's – here's how to reduce it

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Environment

Shift in the Gulf Stream could signal ocean current collapse

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Environment

Earth is now heating up twice as fast as in previous decades

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Chemistry

Möbius strip-like molecule has an entirely new and bizarre shape

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