From volcanic landscapes to world-class observatories, a journey through the Canary Islands reveals a night sky unlike ...

The galaxy cluster appears hotter and more mature than it should for its young age, challenging what we think we know about ...

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune ...

Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...

What will we see in the southern sky in 2026? A total eclipse of the moon (at a convenient time), a blue moon and a supermoon ...

PHOENIX — Like a motorboat doing doughnuts in a lake, Betelgeuse’s companion star leaves a wake in the giant star’s ...