Northern Lights May Light Up the Weekend Sky
A G2 geomagnetic storm watch is in effect for April 17–19, with a high-speed solar wind stream increasing the chance of auroras beyond the usual polar regions.
A G2 geomagnetic storm watch is in effect for April 17–19, with a high-speed solar wind stream increasing the chance of auroras beyond the usual polar regions.
What’s up in the day and night sky in April 2026, including a ghostly lunar glow, Moon-planet meetups, and the Lyrid meteor shower.
Discover the phases of the Moon in April 2026. Also: find Venus and the Pleiades near the Crescent Moon, and what is the opposite of the Harvest Moon effect?
May Day in Germany is a holiday to celebrate the start of spring and to campaign for workers' rights. It is always on May 1.