Senior landscape architect Tina Liu is responsible for up to 700,000 tulip bulbs planted by the National Capital Commission (NCC) each year in Ottawa. Typically, those tulips would start blooming in April, in staggered cohorts, so the 120 flower beds she oversees at 30 different...

Scientists at the University of British Columbia say they have identified a potentially new population of killer whales that hunt the planet’s largest predators in the open ocean. A group of 49 orcas has been...