The southern resident orca population marked the turn of the year with both heartbreak and hope: the death of a newborn calf ...

Tahlequah, the Southern Resident orca who carried her dead calf for 17 days in 2018, is mourning the loss of another newborn, ...

Scientists have called Tahlequah's loss devastating, more so because the calf was a female, who could have one day ...

Glimmer of hope for the endangered Southern Resident killer whales as a new calf joins the struggling J Pod family.

Orca researchers hope the Southern Resident population can grow to 80 to 90 whales in the next 50 years, which experts say ...

A killer whale mom, who shot to fame after she carried her dead calf’s corpse along with her for more than two weeks in a ...

Warming ocean waters and climate change are impacting whales that travel through Southern California waters to Baja, Mexico. The changes are bringing more whales to the region, sometimes just feet ...

The study says the orcas could also affect humans, by "adding top-down pressure on Arctic food webs crucial to northern communities' social and economic well-being." It says killer whales in the ...

"The team, including multiple experienced killer whale researchers, have expressed concern about the calf's health based on the behavior of both J35 and J61. Early life is always dangerous for new ...

The killer whale Tahlequah—scientifically referred to as J35—has given birth to a new calf, rekindling hope for the ...

Contaminants in the water are a large concern for the killer whale population. Toxins from industrial chemicals don’t break down, and they become concentrated in the food chain supply and are ...