From visas and exams to language and culture shock, five expat doctors share hard-won lessons on rebuilding careers in ...

Which genes are required for turning embryonic stem cells into brain cells, and what happens when this process goes wrong? In ...

Victoria Gray spent 34 years battling the debilitating pain of sickle cell disease. Then she volunteered to be the world's first "prototype" for a CRISPR therapy, based on technology invented at UC ...

Menopause, when a woman’s period ceases, is a stark example of the consequences of ovarian aging. It occurs when the ovaries ...

A bacterium living quietly in the intestines of a tiny tree frog has done something cancer researchers spend careers chasing: ...

In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to ...

Living cells pay a hidden energy price not just to run chemical reactions, but to keep them on track and block all the ...

A giant impact on the early Earth could have brought the building blocks of RNA to our planet, which new research suggests ...

Childbirth depends not just on hormones, but on the uterus’s ability to sense physical force. Scientists found that pressure ...

Life begins with a single fertilized cell that gradually transforms into a multicellular organism. This process requires ...

New research suggests that amino acids, the fundamental components of life, may have arrived on Earth carried by interstellar ...