Salmon are struggling to survive. So are the families of endangered southern resident orcas, with a population of just 73, ...

This week, mother orca Tahlequah may have surpassed her 2018 tour of grief, during which she carried her dead calf for 17 ...

The grieving whale was most recently spotted carrying her daughter, who died on New Year's Eve, in Haro Strait on Jan. 10 ...

In 2018, an orca in the Pacific Ocean’s Southern Resident population named Tahlequah refused to let go of her dead calf, ...

Explore the universe with news on fascinating discoveries, scientific advancements and more. Tahlequah, the mother orca denoted as J35 who captured hearts worldwide in 2018 by carrying her dead calf ...

Tahlequah previously carried another dead newborn for 17 days in 2018. Here's what she's taught us about how orcas deal with death.

Mother orca Tahlequah is continuing to carry her burden of grief: a dead calf that she now has been refusing to let go of for at least 11 days.

The killer whale mother, who made headlines with her display of grief in 2018, has given birth again. But researchers have some worries for her new offspring.

Tahlequah's extended period of mourning is unique. The loss is particularly devastating as female calves have the potential to lead their own families in the future. An orca who drew international ...

The loss of Tahlequah’s new calf (“ Orca Tahlequah’s new baby dies ,” Dec. 31, Climate Lab) and her all-too-familiar grief are heart-wrenching. It would be easy to despair and feel powerless. But ...

This was not the mother’s first time losing a child. In 2018, the endangered orca known as Tahlequah carried the body of her dead calf for at least 17 days, traversing more than 1,000 miles of ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Tahlequah, the ...