Competition with other marine mammals for the same food may be a bigger problem than fishing, at least in recent years, for southern resident killer whales that spend time in Washington state's Puget Sound, a new study suggests.
An Ontario high school teacher is spearheading a campaign to build a roof over one of the ancient homes in Pompeii, in an effort to preserve the prized archeological site where a well-known figure in Latin education once lived.
Environment Minister Catherine McKenna says an amendment to the Montreal Protocol has been signed that will lower the levels of a type of greenhouse gas that warms the planet even more quickly than carbon dioxide.
A blazing fireball lit up the dark skies of Arctic Finland for five seconds, giving off what scientists said was "the glow of 100 full moons" and igniting hurried attempts to find the reported meteorite.
German regulators have banned certain types of smartwatches marketed to children, saying the devices have been used to listen in on school classrooms and run afoul of Germany's surveillance restrictions.
Delegates stumbled out of an all-night negotiating session at this year's global climate talks in Germany, expressing satisfaction Saturday at the progress made toward creating a comprehensive rule book for fighting global warming.