They're back: Great white sharks spotted off Cape Cod

It's a true sign that summer is right around the corner in New England: Great white sharks are back off Cape Cod. video of a large great white shark in the water off Cape Cod. This video - taken yesterday morning by Michelle Silva with Dolphin Fleet Whale Watch - off of the Stellwagen Bank National Marine Sanctuary north of Provincetown. They say shark researchers tell them this is the first eyewitness confirmation of a shark this season. Great white shark spottings have been on the rise in recent years. And this is a sure sign that summer is on the way.