Ukrainian President Zelenskyy was seen leaving the White House after a heated exchange with President Trump and Vice President Vance. NBC News' Richard Engel reports that many in Kyiv view the ...

Mount Vesuvius was so hot it turned a man’s brain into glass when it erupted, fascinating new research shows. A piece of dark ...

The research team used X-ray imaging and electron microscopy work out that the brain must have been heated to at least 510C ...