On the day of the 2025 autumnal equinox, the sun rises almost exactly due east and sets to the west. The months that follow ...

19th-century mathematics is giving way to 3D, high-resolution, real-topography models that could provide a more precise path of totality for the next total solar eclipse. Solar eclipse maps show crisp ...

Millions of Americans may have the chance to witness a partial solar eclipse on March 29, when the moon passes between the Earth and the sun, temporarily obscuring part of the solar disk. While not as ...