A new study from Finland found that "night owls," or people who tend to stay up late, don't live as long as those who go to bed early and wake up early as well.
The office of Montana’s Republican attorney general is appealing a landmark climate change ruling that said state agencies aren't doing enough to protect 16 young plaintiffs from harm caused by global warming.
A coalition of environmental groups is calling on the federal government to enact emergency rules to protect a vanishing species of whale from lethal collisions with large ships.