Light Pollution

Why are fireflies disappearing?

Stunning photo project explores our complex relationship with the night sky

NASA's 'Black Marble' shows Earth's nighttime glow

Time-lapse captures the fury of Yellowstone

How light pollution is tricking the trees

Want to see a truly dark sky?

Why dark skies matter

Satellite dishes dance with the stars in ethereal time-lapse film

Mesmerizing time-lapse captures star trails over desert landmarks

What if the stars were as bright as the Los Angeles skyline?

New York buildings to go dark during bird migration season

Light at night can have serious effects