NASA telescopes discover record-breaking black hole

Astronomers have discovered the most distant black hole yet seen in X-rays, using NASA telescopes. The black hole is at an early stage of growth that had never been witnessed before, where its mass is similar to that of its ...

More eggs harvested from last 2 northern white rhinos

An international team of scientists said they successfully extracted eggs from the last two remaining northern white rhinos, a step on the way to possibly saving the subspecies from extinction.

Ancient bone sheds light on Slav alphabet history

An inscribed cow bone dating back to the seventh century proves that Germanic runes were the oldest script ever used by the ancient Slavs, Czech scientists said Thursday.

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