A visionary couple and an ever-growing army of volunteers work to return 2 million acres in South America back to nature.
The space agency provides pictures of enigmatic giant shapes that were first spotted in 2007.
The photo comes with first-hand testimony describing red paint from the Titanic seen on the iceberg.
The award-winning shots were culled from more than 42,000 entries submitted by photographers from 96 countries.
The results are in for the 2015 edition of the annual photomicrography competition.
A beautiful endangered bird was photographed for the first time ever, only to be killed later by researchers who hope to study it more.
When an animal takes a selfie, who owns the rights to it?
Smoke from wildfires billows over Crater Lake, Arctic sea ice isn't up to years past and fall colors pop in Siberia.
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