Spoilers for Biosphere past this point. The sci-fi dramedy Biosphere refuses to give viewers an opportunity to back out before its unpredictable twist takes over — and that’s intentional. What starts ...

Claim: A man who has had an embryo implanted in his abdomen is engaged in the world's first human male pregnancy. becoming pregnant has been the subject of more than a few works of speculative fiction ...

A bit of genetic archaeology is giving clues to one of the greatest gender-bending mysteries in the world of fish: How did a family of fish come to embrace male pregnancy? A new gene discovered in the ...