If you've been to Baker Beach in San Francisco this week, you've probably seen droves of blue jellyfish-like creatures covering the shore.

Thousands of bright blue Velella velella, known as by-the-wind sailors, washed up on California beaches including Baker Beach ...

The sea creatures — known as Velella — washed up on Baker Beach in San Francisco on Monday, April 27 ...

The creatures can be harmful to dogs who eat them while on the beach, potentially causing vomiting, diarrhea and other ...

The jellyfish-like creatures can pose a danger to dogs.

Newly hatched sea turtles were found slaughtered on a North Florida beach, and evidence points to a stray pet, investigators say. "Twenty-three sea turtle hatchlings ... found dead near Second Street ...

SPOTTED  Sea turtle nesting season technically begins on May 1, but local conservation groups are already tracking activity ...

It looked like something plucked from a fairy tale — a fleshy, violet disc sitting in the sand along the Southern California ...

A rare sea creature known for its painful sting has been washing up on Alabama beaches this week. Portuguese man o’ war have been spotted washed ashore in Alabama this week, according to WKRG, who ...

Volunteers found 23 baby sea turtles killed on a North Florida beach, and evidence indicates the killer was someone’s unleashed pet, Atlantic Beach officials say. NPS photo Newly hatched sea turtles ...