The success of in vitro fertilization depends on many factors, one of which is sperm viability. A recent study from the ...

The earliest days after fertilization, once a sperm cell meets an egg, are shrouded in scientific mystery. The process of how a humble single cell becomes an organism fascinates scientists across ...

From the bumblebee bat to the Baluchistan pygmy jerboa, here are eight of the world's smallest mammals who thrive in a world built for giants.

Supertrawlers spent 7,380 hours fishing in UK Marine Protected Areas each year since Brexit An investigation by Greenpeace UK reveals today that giant supertrawlers relentlessly continue to catch fish ...

The Homeless Voice, based in Hollywood, serves three main purposes: educating the public about homelessness and poverty, providing temporary employment for those without jobs, and raising additional ...

Zepbound (tirzepatide) can cause side effects that range from mild to ... But it’s unknown whether Zepbound can cause thyroid cancer in humans. Studies in animals don’t always predict what ...

Scientists have dated the skeleton of an ancient child that caused a stir when it was first discovered, because it carries features from both humans and Neanderthals. The child’s remains were ...

In 1983, at just 19 years old, Sean Cononie received more than $1 million in a settlement after sustaining multiple injuries while training to be a U.S. marshal. Instead of splurging on himself ...

Side sleepers tend to have a longer checklist than most—if your current mattress isn’t getting the job done, a mattress topper may provide relief. The best mattress toppers for side sleepers ...