A new imaging study challenges long-standing ideas about how hair grows and could lead to new treatments for hair loss. Scientists have discovered that human hair does not emerge because it is pushed ...

About a quarter of the Israeli soldiers killed in the war in Gaza had their sperm retrieved after death.

For centuries, in Europe, pigs, horses, donkeys and even insects were tried like people: arrested, defended by lawyers, judged and ...

One of the alien senior officers in Starfleet Academy may seem to break canon, but there are perfectly logical explanations ...

Understanding human gene function in living organisms has long been hampered by fundamental differences between species.

The Asian swamp eel is an air-breathing, mud-loving predator spreading throughout the United States. These slithering threats ...

One year ago, Tim Andrews was among the world’s first recipients of a genetically modified pig kidney. Now, he is the first in that small group of pioneers to go on to receive a human kidney.

When faced with something new, human beings instinctively reach for comparisons. A child learning about atoms might hear that electrons orbit the nucleus “like planets orbit the sun.” An entrepreneur ...

The Sumatran rhino looks like it wandered out of another era and somehow got lost in the present day. Smaller than its ...

Researchers found compelling evidence that AI models are actually copying copyrighted data, not "learning" from it.

Trash pandas’ talent for escaping via lab vents may frustrate researchers, but their problem-solving skills make their brains ...

In truth, it is not a paradox. The animals involved all seem perfectly eager participants in heterosexual behaviour, as well, so their reproduction is not compromised. It is, though, a puzzle—for ...