DEAR JOAN: On the morning of Nov. 20, a day after the first serious rain in some time, I found the bottom of my pool covered with more than 100 dead or drowning worms. A dozen more were still crawling ...

Certain marine worms spend their larval phase as little more than a tiny, transparent “swimming head.” A new study explores the genes involved in that headfirst approach to life. A mud flat in Morro ...

If you find yourself walking along the beaches of the English Channel, you might come across a mat of green goo, as if someone had tipped a jar of mint sauce onto the beach. But if you get down on ...