Hubble’s sharp gaze reveals NGC 45’s feathery arms and glowing star-forming regions. Far from an ordinary spiral, it’s a rare ...

The Perseid meteor shower takes place each year as Earth travels through the debris shed by comet 109P/Swift-Tuttle.

Red sky at night, sailor’s delight. Red sky in morning, sailor’s warning," as the old saying goes. But what about glowing, hazy red skies at both sunrise and sunset? They could be a sign of poor air ...