Gray whales have been mysteriously washing up dead on the Pacific coast. Now scientists think they might have the answer.

• Gray whales have been dying off at an alarming rate since 2019.
• Scientists at Oregon State think the deaths could be due to melting sea ice, a new study says.
• The melting ice may be causing a decrease in the crustaceans the whales prey on.

Gray whales have been washing up dead on the Pacific coast at an alarming rate since 2019, and scientists think they might finally know why.