It’s the greatest cosmic murder mystery of the year: How did a black hole destroy a star—and what kind of black hole is the culprit? Normally, so-called “gamma ray bursts,” sudden flashes of extremely ...

The fruit of Africa's marble berry (Pollia condensata) is a true living gemstone, sporting a stunning metallic blue sheen ...

Cruz the African Grey varies his wake-up call each day just to keep things interesting. That morning, it was a little song ...