Where Dark Skies Draw Star-Gazers, Wildfire Smoke Spoils the View

Parts of the Mountain West still largely free of light pollution or cloudy weather are losing their famed spectacular views of the night sky to smoke from fires burning hundreds of miles upwind.

Watch the Perseids Meteor Shower Peak in Night Skies

Meteor showers can light up night skies from dusk to dawn, and if you’re lucky you might be able to catch a glimpse.

Watch the Southern Delta Aquariids Meteor Shower Peak in Night Skies

Meteor showers can light up night skies from dusk to dawn, and if you’re lucky you might be able to catch a glimpse.

A Mysterious Crater’s Age May Add Clues to the Dinosaur Extinction

Boltysh crater in Ukraine formed around the same time as the Chicxulub event, raising questions about its role in this tumultuous era.