When imaging embryos that naturally emit light without ... two scientific CMOS cameras (ORCA-Flash V3 and ORCA-Quest) and one ...

Elephant embryos gestate for 22 months ... This long gestation makes for a lot of time for things to go wrong, at least in some orca populations. Hormone work has revealed that more than two-thirds of ...

An orca who made headlines in 2018 after she carried her dead calf on her head for more than two weeks and a distance of 1,000 miles has given birth again, according to the Center for Whale Research.

An orca that carried her dead calf with her for days in 2018 appears to be repeating the behavior with a newly deceased baby whale. Scientists think the killer whale is likely to be expressing grief.

The appearance of a new orca calf in Washington’s Puget Sound last month was cause for celebration. The young female, whom researchers named J61, was a new addition to the Southern Resident ...

The orca who swam with her dead calf for 17 days in an apparent act of grieving recently gave birth to a new baby, according to Michael Weiss, research director of the Center for Whale Research.