The initiative invites children of all ages to design a postcard inspired by Earth, space and the future of the planet ...
Hundreds of people who love the little planet that was dissed, gather every year in the Arizona town where Pluto was discovered. They celebrate scientific discovery, history and our solar system’s ...
Who’s ready for a “planet parade”? The last planetary alignment was in August 2025, when six planets aligned and four were ...
The sun reaches the March equinox at 5:01 a.m. Eastern Daylight Time on March 20. This is when it crosses the equator heading northward. This moment marks the change of seasons: the beginning of ...
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There's an unusual astronomical event happening on February 28: a six-planet "parade" when Mercury, Venus, Neptune, Uranus, ...
Despite the dramatic name, these alignments aren’t exceptionally rare. The last six-planet parade occurred in January 2025, and a four-planet lineup followed in August 2025. What makes each one feel ...