A satellite view from Monday shows wildfires still burning in Oregon, Idaho, and Montana. The fires started in August.
Sunday’s supermoon, combined with an 18.6-year lunar cycle, caused high tides on both sides of the Atlantic this week. There were many flood warnings and alerts in effect in the UK on Tuesday night. In eastern North America, Tropical Storm Joaquin might combine with high tides to cause flooding.
Scientists are studying the increasingly fast rate of summertime ice melt in Greenland. See a new NASA video, plus illustrations of the 2015 melt season.
During Sunday night’s total eclipse of the moon, Earth’s shadow brushed the moon’s face. But you can see Earth’s shadow tonight, too, or any clear evening.
Hadrosaur was a truly polar dinosaur that endured months of winter darkness and probably experienced snow.
An initial draft, a collaborative effort from scientists at 11 institutions, of a new, comprehensive evolutionary tree of life. Plus …
Worst recorded years for U.S. wildfires are 2005, 2006, 2007, 2011 and 2012. This year has already joined that list, and wildfire season is still going strong.
On the day of the equinox, the center of the sun would set about 12 hours after rising – given a level horizon, as at sea, and no atmospheric refraction.
Some assume our planet’s changing distance from the sun causes the change in the seasons. That’s logical, but not the case, for Earth.