Starlink satellites appear to be at the mercy of the Sun's whims. A recent study reveals a link between their lifespan and solar activity. The research team analyzed Starlink satellite reentry data ...

While the Sun’s solar flares strongly correlate with sunspots, observations of more than 14,000 other stars show this is not generally the case.

A NASA satellite designed, built and controlled by the University of Colorado at Boulder is expected to help scientists resolve wide- ranging predictions about the coming solar cycle peak in 2012 and ...

Daily solar observations gathered for years at the century-old Kodaikanal Solar Observatory have led to a breakthrough ...

Solar activity, manifested primarily through sunspots, solar flares and coronal mass ejections, has long influenced both the near-space environment and terrestrial systems. Over millennia, variations ...

Daily solar observations gathered for years at the century-old Kodaikanal Solar Observatory have led to a breakthrough understanding of how the Sun's magnetic activity varies across its latitudes -- a ...

Ancient Chinese astronomers observed a solar eclipse in 709 BCE with remarkable detail. These old records are now helping scientists understand Earth' ...

NASA’s PUNCH mission observed comet Lemmon (C/2025 A6) during its solar pass, capturing images of the comet’s tail and movement from October to November 2025, revealing solar wind effects.