When navigating home, Magellanic penguins alternate between heading straight back in calm waters and swimming with the flow in strong ocean currents.

Exchange, clearinghouse, and brokerage fees add up, especially at volume. Sphinx removes intermediaries by automating ...

Explore news and insights on climate change, environment policies, global warming and sustainable practices with The New York Times Climate and Environment section.

Earth's atmosphere. Learn about threats to air quality, the latest scientific research in atmospheric chemistry, atmospheric physics and more.