It's rare for a show to have a 100% rating, where even just one rotten review can get in the way of a perfect score. But these 10 sci-fi shows do.

Pakistan’s foreign minister says Islamabad will soon host talks between the U.S. and Iran.

For decades, birdwatchers in Japan thought they were looking at the same little green songbird flitting through mountain forests on two far‑flung island chains. It took high‑tech DNA tests and careful ...