A previously undetected North Atlantic right whale calf and its mother were sighted in Cape Cod Bay on April 17.

No dorsal fin. V-shaped blow. Almost extinct. Right Whale Day brings a rare species into focus — before it’s too late.

Researchers and conservationists remind the public to respect the whales’ space. It is illegal to approach a North Atlantic right whale within 500 yards without a federal research permit. Still, from ...

The New England Aquarium identified the pair as 16-year-old “Koala” and 14-year-old “Curlew,” both females. And this, too, is ...

At least 11 North Atlantic right whales were born this calving season — fewer than researchers studying the critically endangered species had hoped, the New England Aquarium reported. There are only ...

A young North Atlantic right whale is one of the precious few born into a species teetering on the edge of extinction.

Three right whale mother-calf pairs have been spotted in Cape Cod Bay, where researchers are monitoring them. Why they are important.

Off the tip of Cape Cod, on the bay side of the national shoreline, a North Atlantic right whale and her four-month-old calf swim in a synchronized dance. The mother’s oil slick of a body breaks the ...

Off the tip of Cape Cod, on the bay side of the national shoreline, a North Atlantic right whale and her four-month-old calf ...

Researchers with the Center for Coastal Studies (CCS) documented something they don’t normally see in Cape Cod Bay on Thursday: a North Atlantic right whale calf that hasn’t been ...

Promising signs from the latest calving season give experts new hope Off the tip of Cape Cod, on the bay side of the national shoreline, a North Atlantic right whale and her four-month-old calf ...