Uncovering our solar system's shape

Scientists have developed a new prediction of the shape of the bubble surrounding our solar system using a model developed with data from NASA missions.

Modern science reveals ancient secret in Japanese literature

Nearly a millennium and a half ago, red light streaked across the night sky over Japan. Witnesses compared it to the tail of a pheasant—it appeared as a fan of beautiful red feathers stretched across the sky. Since the ...

A surprisingly simple explanation for 'Oumuamua's weird orbit

In 2017, a mysterious comet dubbed 'Oumuamua fired the imaginations of scientists and the public alike. It was the first known visitor from outside our solar system, it had no bright coma or dust tail, like most comets, and ...

Earth's dust tail points to alien planets

Did you know that the Earth has a dust tail? The Spitzer Space Telescope sailed right through it a few months ago, giving researchers a clear idea of what it looks like. That could be a big help to planet hunters trying to ...

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