In human cells, DNA carries chemical or "epigenetic" marks that decide how genes will be used in different tissues. Yet in a ...

Researchers at the MRC Laboratory of Medical Sciences (LMS) and Imperial College London have shown for the first time that, before they can start developing into egg and sperm cells, the embryonic ...

As space agencies prepare for human missions to the moon and Mars, scientists need to understand how the absence of gravity ...

A virus that is big enough to be seen under an ordinary light microscope co-opts its host’s systems with the help of ...

As space agencies prepare for human missions to the Moon and Mars, scientists need to understand how the absence of gravity affects living cells. Now, a team of researchers has built a rugged, ...

Human sperm can swim through surprisingly viscous fluids with ease – and they seemingly defy Newton's third law of motion to do so. To figure out how they slither through substances that should, in ...

Researchers have been studying tens of thousands of proteins and even more variations without a yardstick to compare their results.

Cute dog Penny is very confused when her fellow beagle brother Maymo hides underneath the blankets. She barks and howls at the strange ghost-dog, until she realizes it's just her crazy brother Maymo.

Add Yahoo as a preferred source to see more of our stories on Google. Photo Credit: @billie.the.pitty / Instagram A baby gate dog clip is making viewers laugh because Billie refuses to accept a closed ...

The history of who invented chocolate and how it's made is as interesting as the food is delicious. Mayans and Aztecs used cacao beans as a form of currency and even offered the beans to their gods.

When we talk about a biological clock ticking, it usually means the pressure women feel to fall pregnant before a certain age. It’s linked to the decline in eggs (ova) and fertility as females age.