Sarah Brown

Historian Dr Janina Ramirez unlocks the secrets of a centuries-old masterpiece in glass. At 78 feet in height, the famous East Window at York ...

A Yellowstone National Park scientist and a thrill-seeking ranger join forces to plug-up a volatile super volcano that threatens to wipe out the ...

A UFO is shot down over Russia in the 1970s and the wreckage is taken to a secret research facility. When the Soviet Union collapses, the alien ...