The Exploratorium's Glow exhibition at San Francisco's Pier 15 wrapped in January, but its celebration of art and light remains a standout moment from the museum's winter season.

NASA astronaut Don Pettit captured breathtaking video of a rare atmospheric phenomenon from his perch high above Earth on the ...

Kathryne Ford is part of a national movement reviving a practice from the classic psychedelic era: projecting colorful liquid ...

Parrtjima Festival of Light has officially kicked off in Alice Springs, lighting up the heart of Australia. Running from ...

Every June, fireflies in the Smoky Mountains put on a stunning light show, but only a lucky few get in to see it each year.

He documented the phenomena of sprites and blue jets, which occur in the upper atmosphere above thunderstorms. The post ...