Major asteroid sample brought to Earth in NASA first

A seven-year space voyage came to its climactic end Sunday when a NASA capsule landed in the desert in the US state of Utah, carrying to Earth the largest asteroid samples ever collected.

Video: How is ceviche 'cooked?'

What does it mean to have "cooked" something? Is heat the only way to break down proteins and transform raw ingredients?

Researchers establish new reptile cell lines

A recent scientific paper published in the journal Microorganisms highlights the development of the first broad range of reptile cell lines, a significant feat that researchers say will help advance reptile conservation.

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