
Temescal Creek flows through concrete culverts from Lake Temescal through the flats of Oakland and Emeryville, into San Francisco Bay—out of sight and largely out of mind. Creek advocates are hoping to change that.

The popular black oystercatcher has been labeled “climate endangered” by Audubon. What does that mean for birds in the Bay Area?

Enormous basking sharks were once common off Monterey, but it’s now very rare to see as many sharks in one place as were reported in July.

Why are some stands of redwoods so spindly? Marin County Parks naturalist David Herlocker explains this anomaly.

The sea otter that spent three weeks in Richardson Bay in late June and early July likely died of a “one-two punch” of domoic acid poisoning and infection from the possum-borne parasite Sarcocystis neurona, a California Department of Fish and Wildlife pathologist says.

The Pacific Ocean is the hottest we’ve ever seen it. What that means — or doesn’t — for the coming El Niño.