December tornadoes ravage Iowa

Angry mother who confronted California governor Gavin Newsom over LA wildfires breaks silence in Piers Morgan interview

Listen: Sound of a meteorite hitting Earth captured for first time

The EU must stand up to 'belligerence' from incoming Trump administration - analysts

Pope Francis hurts right arm after another fall

Greenland lawmaker touts stronger EU role in island's critical raw materials

Watch: Drug dealer stopped 223 miles from home tries to convince police he is 'on holiday‘

Watch as storm-chaser captures first supercell of the autumn in northern Croatia

Cloud of thousands of bats fly out of cave in remote Cambodia

Traffic halts on Sri Lanka road as huge herd of elephants cross en masse

WATCH: Frozen bald eagle rescued from snow is released

Mars reaches opposition, expected to shine bright throughout January

How to prepare your home for the impending arctic blast

Invisible Iceberg: A Rainstorm Ends Napoleon's Reign

Invisible Iceberg: The Comet that Ended the Age of the Dinosaur

Invisible Iceberg: A Mirage Sinks the Titanic

Invisible Iceberg: The Flood that Cleansed Humanity

Invisible Iceberg: The Wind that Created the Greek Empire

Invisible Iceberg: "Great White Hurricane" Creates the New York Subway System

East Coast braces for triple storm threat

Firefighters make tremendous progress against California wildfires

Hazardous dust and ash in wildfire zones

Lake-effect snow heading out just before arctic blast and more rounds of winter weather

East Coast braces for back-to-back winter storms

Southern California communities coming together in wildfire devastation

Mansions and mobile homes leveled by Palisades Fire