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The northern lights may dazzle 16 US states this New Year’s Eve: Where and when to look

A powerful geomagnetic storm may light up skies across parts of the United States on New Year’s Eve, as a surge in solar ...

NASA could be weeks away from its biggest test in decades

The NASA Artemis II mission, set to lift off as soon as February, will mark the first time astronauts have aimed to venture ...

What is perihelion? Here's what happens when Earth is nearest to the sun

Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through ...