Record amounts of sargassum are floating in the Caribbean Sea and ending up on beaches from Puerto Rico to Guyana — but scientists aren't sure why there's so much of it in the first place.

Stinky, unsightly and potentially harmful – there are a litany of adjectives used to describe the naturally-occurring type of macroalgae called Sargassum, and none of them are positive.

Ever been told to "just plug the male end into the female port" and suddenly felt like you missed a day in tech class and health class? You're not alone. Despite the oddly anatomical terminology ...

These creatures are also hermaphrodites, meaning each individual possesses male and female reproductive organs. They lay their eggs in sargassum, which appear as clear jelly blobs with a distinct ...

Yet a definition of biological sex put forth by U.S. President Donald Trump designates people as either male or female based solely on the size of the reproductive cells they make. Millions of ...

Male and female king cobras, despite their similarities, have distinct differences in size, color, behavior, and reproductive roles. Males grow larger, are more vibrant, and engage in territorial ...

During his inaugural speech, Trump said: “there are only two genders — male and female.” Trump’s edict requires government agencies to use the “immutable” designation on forms and IDs ...

Do male cats make better pets than females or vice versa? What are the differences between them? Quite often it can be a tough choice to decide between a male cat vs female cat, and it’s a really ...

Neuroanatomical research has long established that there are statistical differences at the macroscopic level in male and female brains. There are also functional differences in terms of memory and ...