Aurora watch in effect
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The powerful flare from sunspot region AR4341 peaked at 1:09 p.m. EST (1809 GMT), according to NOAA's Space Weather Prediction Center. The eruption triggered strong (R3) radio blackouts across the sunlit side of Earth, with the most severe disruptions concentrated over the Americas.
A new study suggests lunar soil contains elements that solar wind transported to the moon from Earth’s atmosphere, solving a long-standing astronomy puzzle.
A NOAA forecast suggest that Northern Lights may be visible in northern U.S. states on Jan. 20, 2026. Here's where aurora displays are possible.
NASA's new CMEx mission will measure the Sun's chromosphere magnetism, the origin of solar storms, hoping to improve solar storm warnings.
Skywatchers across the U.S. will have their chances to view the Northern Lights this week as a geomagnetic storm takes place.
The northern lights continue tonight, Jan. 12, after a weekend of back-to-back activity. Here's everything you need to know about when, where and how to watch this stellar event.
A NOAA forecast has Northern Lights visible in northern U.S. states overnight on Monday, Jan. 19 through Tuesday, Jan. 20, as a “full-halo” CME heads to Earth.
Lunar rocks are famously dry. They contain almost none of the volatile elements that easily escape into space, such as hydrogen, carbon, nitrogen, and light noble gases. Yet those same elements appear in the Moon’s loose surface soil, known as regolith.