664–663 BCE solar storm found in tree rings Miyake Event recorded in ancient tree rings Radiocarbon spikes point to solar ...

Astrophysicists have detected the most energetic electrons ever recorded raining down on Earth. With trillions of times the ...

For optimal vitamin D synthesis, mid-morning sunlight between 10 a.m. and 12 noon is recommended due to the effective angle ...

If astronomers could catch bursts of gamma rays from supernova explosions that create neutron stars near the Milky Way, the ...

The December solstice marks the start of winter across the Northern Hemisphere, but meteorologists commonly consider a different date to mark the beginning of the new season. On the day of the ...

Astronomy is a lovely undertaking by day or by night, but the sky has delights to offer in the between times as well. When ...

Panyushkina and her team at the University of Arizona carefully dissected individual tree rings from ancient wood samples ...

Northern lights should be visible on Thanksgiving and Black Friday thanks to an incoming solar storm, according to NOAA.

Using a decade’s worth of data from the H.E.S.S. telescopes in Namibia, they’ve observed a sharp kink in the energy spectrum ...

The data used for the simulations was gathered by NASA's Solar Dynamics Observatory (SDO). Launched in 2010 on an Atlas V ...

An outburst of solar energy looks primed to hit Earth on Thursday, potentially bringing auroras to the northern U.S. on ...

A new study reveals a massive solar storm occurred in 664 B.C., with potential cataclysmic effects on today's technology if ...