Could time travel be more than just a Hollywood dream? Discover how scientists say it's already happening, and why it's not ...

The book takes place in the 29th century as the ... help of the Shrike – a lethal demi-god whose powers transcend time and ...

In their new book Supermassive: Black Holes at the Beginning ... black holes are studied today and their profound impacts on space-time, and ponder their origins, their evolution, and their ...