When it descends through the thick golden haze on Saturn’s moon Titan, NASA’s Dragonfly rotorcraft will find eerily familiar ...

New research shows that penguin guano in Antarctica is an important source of ammonia aerosol particles that help drive the ...

The Xiaozhai Tiankeng stands as the textbook example of what happens when karst processes are given perfect working ...

One of humanity’s most profound questions is whether life exists beyond Earth — and if so, what forms it might take. For ...

New research shows that penguin guano in Antarctica is an important source of ammonia aerosol particles that help drive the ...

Large amounts of untreated sewage flow daily from Mexico into Imperial Beach, Calif. That has closed beaches and sickened ...

The volcano on the Big Island, about 200 miles southeast of Honolulu, has been periodically erupting since December, with officials warning about the respiratory dangers of the toxic gases released.

Where does water go when it rains? The answer: It depends. Exactly how rainfall gets partitioned among evaporation, infiltration into soils and aquifers and discharge into streams depends on the ...

Penguin excrement releases ammonia that helps form clouds over Antarctica, possibly slowing climate change in the region.

American space agency NASA announced the Dragonfly quadcopter that will be sent to Titan will target the Selk crater on ...

Adelie penguins (Pygoscelis adeliae) belong to the penguin family Spheniscidae. They also go by the name brush-tailed ...