Ecosystems
- 			 Animals AnimalsGory footage confirms orca pods can kill adult blue whalesFor the first time, three recorded events show that orcas do hunt and eat blue whales using coordinated attacks that have worked on other large whales. By Anna Gibbs
- 			 Animals AnimalsAn Arctic hare traveled at least 388 kilometers in a record-breaking journeyAn Arctic hare’s dash across northern Canada, the longest seen among hares and their relatives, is changing how scientists think about tundra ecology. 
- 			 Animals AnimalsHere’s how spider geckos survive on Earth’s hottest landscapeAn analysis of the stomach contents of Misonne’s spider geckos shows there are more critters in the heart of Iran’s Lut Desert than meets the eye. By Jude Coleman
- 			 Life LifeCleared tropical forests can regain ground surprisingly fastTropical forests can re-establish themselves on abandoned agricultural lands faster than expected, scientists say. 
- 			 Animals AnimalsBaleen whales eat (and poop) a lot more than we realizedThe sheer volume of food that some whales eat and then excrete suggests the animals shape ecosystems to a much larger degree than previously thought. 
- 			 Life LifeFires may have affected up to 85 percent of threatened Amazon speciesSince 2001, fires in the Amazon have impacted up to about 190,000 square kilometers — roughly the size of Washington state. By Jake Buehler
- 			 Life LifeAn incredibly resilient coral in the Great Barrier Reef offers hope for the futureAt more than 400 years old, a massive coral off the coast of Australia has endured as many as 80 cyclones and 99 bleaching events. By Nikk Ogasa
- 			 Animals AnimalsFemale hummingbirds may sport flashy feathers to avoid being harassedSome female white-necked jacobin hummingbirds boast bright blue plumage that’s similar to males. The colors may help females blend in to avoid attacks. 
- 			 Science & Society Science & SocietyAn ecologist’s new book gets at the root of trees’ social livesIn ‘Finding the Mother Tree,’ Suzanne Simard recounts how she discovered hidden networks in forests. 
- 			 Ecosystems EcosystemsAs ‘phantom rivers’ roar, birds and bats change their hunting habitsA massive experiment in the Idaho wilderness shows it’s not just human-made noises that impact ecosystems. Natural noises can too. By Nikk Ogasa
- 			 Ecosystems EcosystemsWild donkeys and horses engineer water holes that help other speciesDozens of animals and even some plants in the American Southwest take advantage of water-filled holes dug by these nonnative equids. 
- 			 Life LifeOnly 3 percent of Earth’s land hasn’t been marred by humansA sweeping survey of terrestrial ecosystems finds that vanishingly little land houses all the animals it used to. Species reintroductions could help.