Editor’s note: This article is published through the Colorado River Collaborative, a solutions journalism initiative supported by the Janet Quinney Lawson Institute for Land, Water, and Air at Utah ...

Instantly recognizable by their spiral shells, these ancient predators were relatives of modern squid and octopuses. Because ...

Sand waves flow behind Jack Stauss, repeatedly rolling and breaking near a debris-heavy section of the river as he discusses sediment-related phenomena in Lake Powell. “That’s the delta making itself ...

When the San Juan River flows out of the San Juan Mountains in Southwest Colorado, it contributes 15% of Lake Powell’s water. But there’s a problem: The river carries a hefty 55% of the sediment ...

When the San Juan River flows out of the San Juan Mountains in Southwestern Colorado, it contributes 15% of Lake Powell’s water. But there’s a problem: The river carries a hefty 55% of the sediment ...

The dewatered reservoir behind Copco 1 near Hornbrook, California, can be seen in this photograph provided Wednesday by the Klamath River Renewal Corp., which is removing the dam and three others on ...

Research on charcoal pieces from ancient debris flows has shown fires and erosion have shaped Earth’s landscape for at least ...

The last several columns have focused on the importance of sediment, or mud, to life in the river. We have discussed the relationship between the velocity or speed of the river and the size of the ...

Saija Saarni a reçu des financements de AXA Research Fund. The sun is shining, and air feels surprisingly warm when we walk on a 35cm ice that covers a frozen lake in central Finland. The heavy ...

SAN FRANCISCO (KPIX 5) -- Scientists warn that sea level rise is a problem that cannot be ignored. But a new study says the secret to protecting the Bay Area may rest with something that is currently ...