Today is equinox—when the hours of darkness and daylight are identical across the globe—but in North America, everyone’s thinking about the upcoming total solar eclipse in just over two weeks.

because the autumn equinox happened on Sunday, there’s a higher chance a geomagnetic storm will erupt. Solar storms also have ...

A value called Bz indicates how far south the solar wind's magnetic field is pointing, which can predict how likely the northern lights are to occur.

Credits: NASA, ESA, CSA, STScI Observations of Uranus in the near-infrared from 1992 to 2018 reveal that the planet’s upper ...

Uranus's upper atmosphere has been cooling for decades—and now scientists have shown why. Observations from Earth have shown ...

Jamie Carter is an award-winning reporter who covers the night sky. Have you ever seen an equinox? On Monday, March 20, 2023, our planet—spinning on its tilted axis—will be side-on to the Sun.

In Asuka Village, around the time of the Autumnal Equinox. Thousands of Higanbana ... According to the 24 Solar Terms of Reiwa 3 (2021), Shuubun is from September 23 to October 8.

23: Autumn is here The autumnal equinox is one of two points in Earth ... Noam Galai/Getty Images Oct. 14: Annular solar eclipse Some of the U.S. will be visited by what is sometimes called ...

The national holiday "Shuubun no Hi (Autumn Equinox Day)" is said to be a time to honor ancestors and remember those who have passed away. *According to the 24 Solar Terms of Reiwa 6 (2024 ...