Best viewed from the Northern Hemisphere, the Lyrid meteor shower is the world's oldest known of its kind and reliably occurs ...

The "Blue Marble" was the first photo of the whole Earth and the only ever taken by a human. Fifty years on, new images of ...

A giant sequoia located in Sequoia National Park in California, the General Sherman is 52,500 feet in volume and is more than ...

SpaceX tested the Plug and Plaser device for the first time in space last year on the Polaris Dawn mission, which was most ...

A camera aboard India’s Aditya-L1 spacecraft captured the Earth and moon. The spacecraft launched atop a PSLV rocket. Credit: ...

Venus and Saturn will align with a crescent moon to create the illusion of a smiley face in the sky on the morning of April ...

If you've been bouldering or climbing in an indoor gym all winter and want to make the move to outdoors climbing, there are a ...

This rare alignment will delight stargazers. On Thursday, April 24, and Friday, April 25, Venus, Saturn, and the crescent ...

A new Banksy like artwork has appeared in a Somerset seaside town, depicting an astronaut with an American flag atop a pile of stones.

Some people witnessed the enchanting display of bioluminescent algae illuminating the waves in uMdloti on Good Friday. Experts explain the science behind this natural phenomenon.

Tuesday April 22 is Earth Day, an annual event to focus on the challenges to combat climate change, the plastics crisis, biodiversity loss and much more. Here's how people are marking it.

WHYY’s Jennifer Lynn and Susan Phillips explore the beauty of nature through poetry, featuring iconic poets like Amanda Gorman, Walt Whitman and Allen Ginsberg.