Red sprites seen above the Himalayas reveal powerful storms, rare upper-atmosphere events, and atmospheric mysteries unfolding.

Hurray! We've finally made it to Portland's first 7:00 PM sunset of 2025! The time is approaching for those beautiful, red ...

Skywatchers across the world will witness the first total lunar eclipse in three years. Here’s who will have the best ...

Breathtaking photos of this month's total lunar eclipse capture a blood red moon and star-studded Milky Way over NOIRLab's ...