Video: Greenland’s ice melt

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.

Newly discovered dinosaur roamed northern Alaska

Hadrosaur was a truly polar dinosaur that endured months of winter darkness and probably experienced snow.

New tree of life for 2.3 million species

An initial draft, a collaborative effort from scientists at 11 institutions, of a new, comprehensive evolutionary tree of life. Plus ...

2015 wildfire season a record-breaker

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.

India’s monsoon not bringing enough rain

“Right now, the monsoon is 12 percent below average and dropping, and [India is] headed for a pretty serious dry season,” said a researcher.

Powerful earthquakes off Chile’s coast

At least five people killed and 1 million evacuated, after a powerful 8.3-magnitude earthquake off the coast of Chile last night. Tsunami waves and many strong aftershocks followed. Tsunami advisory for California and Hawaii.

Video: This year’s El Niño compared to 1997-98

Wow! Check out this visual comparison of the emerging El Niño with the record-breaking El Niño of 1997-98, which created weather extremes around the globe.

Researchers find double crater in Sweden

They are evidence of two enormous meteorite impacts, a twin strike that happened around 460 million years ago.

2015 Arctic sea ice minimum 4th lowest

The 2015 Arctic sea ice minimum summertime extent is the 4th lowest since observations from space began, according to a NASA analysis of satellite data.

El Niño this year: What will it bring?

An El Niño is building that's expected to culminate in the fall and last until the winter and could possibly become a “mega” El Niño.

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