The Sun’s periods of rowdy activity may get all the glory, but even in its quieter times, our home star can subtly reshape its interior.
According to a new analysis of decades’ worth of data, the lulls in the Sun’s 11-year activity cycle…

The Sun’s periods of rowdy activity may get all the glory, but even in its quieter times, our home star can subtly reshape its interior.
According to a new analysis of decades’ worth of data, the lulls in the Sun’s 11-year activity cycle…
Learn how four decades of solar observations uncovered hidden changes inside the Sun and what they could mean for future solar cycles and space weather.

Humans might show commitment with a ring, penguins offer prospective mates rocks and some beetles gift a ball of dung. Wood-feeding cockroaches show commitment with a nibble of cannibalism — and then a lot of aggression.
After a…
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Injectable fluid safely fills area in which blood clots can…