The North Atlantic is experiencing a 'totally unprecedented' marine heat wave

Ornate Roman mausoleum uncovered beneath London construction site

Two humpback whales found dead off coast of New York had sustained 'blunt force trauma'

Megalodon tooth necklace spotted in digital scan of Titanic wreck

Ancient tombs and large mummification workshops unearthed in Egypt

US zoo ends kiwi petting experience after outcry from New Zealanders

1,200-pound great white shark is swimming off the coast of South Carolina

YouTuber Hank Green diagnosed with Hodgkin lymphoma

'Largest underwater scanning project in history' gives never-before-seen view of Titanic

Archaeologists uncover two new Pompeii victims killed by earthquake

Michelin-star meals on the edge of space offered for $130,000

Virgin Galactic set for first spaceflight since Richard Branson's trip two years ago