An ordinarily dim star is making a brilliant appearance in the night sky after unleashing a powerful nova explosion, which has rendered it visible to the naked eye.

Auroras may be visible from Alaska to Washington as a giant hole in the sun's atmosphere fuels geomagnetic storms with a high-speed solar wind.

These Colorful Satellite Views Reveal Our Forests in Unprecedented Detail and Showcase the Potential of the New Biomass Mission The European Space Agency’s satellite will measure trunks ...

Where and when to see the Starlink satellite train The Starlink satellite train is best seen in the days immediately following a launch, when the satellites are still in their initial low-Earth ...

Auroras may be visible from Alaska to South Dakota as a giant hole in the sun's atmosphere shakes up geomagnetic activity in the coming days.

Five comprehensive tips to arrive at the ideal dimensions for a workable – and aesthetically harmonious – culinary architecture.

More The half-lit lunar disk will rise alongside the ringed giant Saturn and dimmer Neptune in the early morning hours of June 19, putting on a spectacular show just six hours after the moon hits ...

A powerful solar flare caused radio blackouts in North America; a CME may graze Earth on June 18, possibly sparking auroras.