Earth's core may not be made of all molten iron -- a jet stream could actually explain the magnetic fields, too.
Killer whales tear a shark in a new viral video.
Refugees are again being transported out of war-ravaged Aleppo.
Killer whales seem to have overtaken polar bears on the top of the food chain in the Arctic.
Glowworms, unlike spiders, spit their strings from their mouths -- with urine.
Dylann Roof found guilty for Charleston church massacre; next court session will determine if he will be sentenced to death or life in prison.
Proxima B could be habitable -- but dangerous -- scientists say.
Russian President Vladimir Putin involved in the U.S. elections, U.S. intelligence shares.
The Energy Department refused tor release names of employees looking over climate change research.
Scientists could make antacids for the atmosphere to save the planet.
Alien planet has clouds that could possibly form sapphires and rubies.
After six years, Aleppo finds peace -- for the mean time.
