Testicular sperm extraction (TESE) in its various versions has been traditionally used in male infertility patients with azoospermia, with the intention of utilizing surgically retrieved sperm for in ...

The Russian billionaire who founded messaging app Telegram is fighting infertility, but he isn’t using his wallet — he is using his own sperm. Pavel Durov, 41, has offered to cover the full cost of in ...

Claims that the Nazca mummies represent a new alien species originate from a self-published paper by a retired paleontologist. A detailed peer review challenges these conclusions, identifying the ...

Americans are becoming more open to the idea that aliens have visited Earth, according to a series of polls that show belief in alien visitation has been steadily on the rise since 2012. Moreover, ...

3I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar ...

Sertoli Cells-Only Syndrome (SCOS), also known as Del Castillo syndrome or germ cell aplasia, is the most frequent cause of non-obstructive azoospermia, being found in 26-57% of patients affected by ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A deep image of interstellar Comet 3I/ATLAS captured by the ...