A new study urges expert to classify emperor penguins as “Endangered” — or worse. Here's what science says and what you can do to help.

The small hole was discovered in 2014 after Letang suffered a stroke. On Tuesday, the Pittsburgh Penguins defenseman ... while averaging a team-high 23:32 of ice time per game.

The 19-year veteran will miss Pittsburgh's finale against Washington on Thursday night after undergoing a procedure to close a small hole in his heart. The Penguins made the announcement ... averaged ...

The 19-year veteran will miss Pittsburgh's finale against Washington on Thursday night after undergoing a procedure to close a small hole in his heart. The Penguins ... 23:32 of ice time.

Pittsburgh Penguins defenseman Kris Letang underwent successful surgery to repair a hole in his heart ... He averaged 23:32 of ice time through 74 games. The veteran defenseman, who will turn ...

The 19-year veteran will miss Pittsburgh's finale against Washington on Thursday night after undergoing a procedure to close a small hole in his heart. The Penguins ... 23:32 of ice time.

PITTSBURGH — Pittsburgh Penguins defenseman Kris Letang’s season is over. The 19-year veteran will miss Pittsburgh’s finale against Washington after undergoing a procedure to close a small hole in his ...

Pittsburgh Penguins defenseman Kris Letang had successful surgery to close a patent foramen ovale (PFO), a small hole in the heart ... to see him back on the ice.