
This artist’s concept shows a glowing patch of ultraviolet light near Saturn’s north pole that occurs at the “footprint” of…

Intense auroral glow framed by parting rain clouds was captured near local midnight from Kvaløya island outside Tromsø in northern…

Behemoth sunspot 1302 unleashed another strong flare on Sept. 24, 2011-an X1.9-category blast at 5:40 am EDT. At the peak…

JSC2011-E-120358 (9 Sept. 2011) — Construction on the first space-bound Orion Multi-Purpose Crew Module began with the first weld at…

JSC2011-E-120363 (9 Sept. 2011) — Construction on the first space-bound Orion Multi-Purpose Crew Module began with the first weld at…

JSC2011-E-120372 (9 Sept. 2011) — Construction on the first space-bound Orion Multi-Purpose Crew Module began with the first weld at…

JSC2011-E-120368 (9 Sept. 2011) — Construction on the first space-bound Orion Multi-Purpose Crew Module began with the first weld at…

JSC2011-E-120357 (9 Sept. 2011) — Construction on the first space-bound Orion Multi-Purpose Crew Module began with the first weld at…

Photographed by the Expedition 28 crew aboard the International Space Station, this image shows the moon, the Earth’s only natural…