The Earth could be habitable for another 2.3 billion years, extending previous estimates of life’s horizon by more than a billion years. King Fai Li and his colleagues at Caltech hypothesise that ...

This infographic shows the multiple layers of our atmosphere, extending from the ground up into space, and how the new dataset compares in coverage to those currently available. A team led by ...

Ancient ripple layers on Mars capture a single sandstorm, helping scientists estimate how dense the planet’s atmosphere once ...