On a calm morning in May, Brianna Beaulieu, a doctoral student in marine biology at the University of Western Australia, and several researchers from around the world boarded two research vessels ...

Researchers have been tracking a 26-foot endangered whale shark -- named 'Rio Lady' -- with a satellite transmitter for more than four years -- a record for whale sharks and one of the longest ...

Tentative fins enter the clear, turquoise waters off Oslob, making a light splash on the surface as the person submerges themselves. Mask re-adjusted, eyes scan the horizon for the biggest extant fish ...