From river deltas to ancient lakes, this video explores the formation of these features and the story they tell about the planet's past. Learn how NASA's Perseverance rover is uncovering these secrets ...

Researchers of Wageningen University & Research warn that rivers are becoming more vulnerable to sudden, permanent changes, such as a river spontaneously changing its course. Phys.org ...

On Titan, the reverse may be true — methane-rich rivers could be denser than the hydrocarbon seas they feed, causing them to sink and bypass delta formation entirely. Why Titan’s Deltas Matter.

Feng Hu et al, Long-term trends of ozone in the Yangtze River Delta, China: Spatiotemporal impacts of meteorological factors, local, and non-local emissions, Journal of Environmental Sciences ...

On the other hand, the Pearl River Delta faces great opportunities: The trend of international industries transfer to the Asian-Pacific region will not change, the regional economic cooperation ...

The Provo River Delta recreation area reopened after a four-year, $10 million restoration project aimed at aiding the June sucker fish.

A pelican takes flight at the Ciénega de Santa Clara in the Colorado River Delta on Oct. 24. The area is an important habitat for migrating birds, but most of it is barren and dry.

This is the delta where the Colorado River meets the ocean, or rather, what's left of it. Since the early 1960s, one of America's great waterways almost never actually reaches the sea.