We fact-check various aspects of two of President Donald Trump's executive orders targeting transgender people.

For generations, a tiny piece of DNA has mastered the art of inheritance by hijacking the yeast cell’s division machinery, ...

Deep within the cells of mice, a genetic arms race is unfolding between X and Y chromosome genes, battling for dominance in ...

Can Animals Have Mental Disabilities? Mental health issues aren’t exclusive to humans—animals can experience them too. From ...

In evolutionary terms, fitness is defined as an organism's ability to survive and reproduce its genes into the next ...

The flowerpot snake, one of the world's smallest snakes, has some unusual distinctions. Also known as the Brahminy blind ...

Genomic changes in the infectious yeast Candida tropicalis may play a role in its resistance to antifungals, according to a new study. These genomic changes can be brought on by a common antifungal, ...

Post readers dive into transgender issues in sports, science and more.

The Trump Administration’s definition of biological sex does not accurately reflect modern science.

This week: Donald Trump’s new 25-per-cent tariff on imported vehicles has thrown a wrench in Canada’s auto sector – and the ...

Women have a higher proportion of key immune cells between puberty and menopause, which may be linked to the sex hormone ...