ISS astronaut captures photo of elusive sprite

Sometimes called red sprites, these offshoots of large-scale electrical discharges that take place high in Earth’s atmosphere, above thunderstorms.

Jupiter, Saturn and Venus might have lightning sprites, too

Lightning sprites on alien worlds like Jupiter, Saturn and Venus. Cool!

X-flare from giant sunspot group 1520

Giant sunspot group 1520 - which spans about 10 Earth diameters on the sun's surface - emitted an X-flare on July 12 at 1653 UTC.

Supernova up close via computer simulation

Each century, about two massive stars in our own galaxy explode, as supernova. These send fundamental, uncharged particles called neutrinos in to space.

Frank Hill: Future sunspot drop, but no new ice age

Frank Hill told EarthSky that -- while his team did suggest a drop in solar activity beginning around 2019 -- they did not suggest Earth would cool as a result.

NOAA releases comprehensive State of the Climate

Major cooling factor globally in 2011 was La Nina. At the same time, the NOAA report identified "human fingerprints" in more than two dozen climate indicators.

Hurricanes Daniel and Emilia from space

Amazing satellite imagery of harmless twin storms hurricanes Daniel and Emilia in the Eastern Pacific. They stayed away from land. Nice just to enjoy their beauty.

Snow could offset global warming in Antarctica

Increased snowfall in Antarctica could offset the future impact of global warming on the continent, according to research carried out by a French research team.

Wildfire smoke meets thunderstorm

Photos shows the wildfire smoke sucked into an area of strong convection at the center of the thunderstorm, at speeds that can reach 100 miles (160 kilometers) per hour.

Wildfires in Russia continuing

Significant amounts of smoke from the wildfires in Russia and Siberia arrived in British Columbia in Canada this week, according to CBC News.