Sei [SEI] surged nearly 70% from the 22nd to the 25th of June, breaking past its 5-month high at $0.336. On the 25th of June, ...

Scientists mapped dolphin and whale brains to uncover how echolocation works, revealing they may use sound more like touch ...

A sei whale in front of the distinctive backdrop of Cape Pembroke. Photos: Caroline Weir. Acoustic research by wildlife charity, Falklands Conservation (FC), and the non-profit African Aquatic ...

A cruise ship docked in Brooklyn over the weekend with a gruesome passenger pinned to its bow: a dead, 50,000-pound endangered sei whale. The 44-foot adult female whale's death is the latest ...

A tour boat spotted a rare sei whale skim-feeding in the ocean near Estil, Portugal, an Instagram post shows. Baleen wales are endangered.

A tour boat spotted a rare sei whale skim-feeding in the ocean near Estil, Portugal, an Instagram post shows. Baleen wales are endangered.

A tour boat spotted a rare sei whale skim-feeding in the ocean near Estil, Portugal, an Instagram post shows. Baleen wales are endangered.

A tour boat spotted a rare sei whale skim-feeding in the ocean near Estil, Portugal, an Instagram post shows. Baleen wales are endangered.

A tour boat spotted a rare sei whale skim-feeding in the ocean near Estil, Portugal, an Instagram post shows. Baleen wales are endangered.