Sperm whales, the planet’s largest toothed predator, have incredibly complex social structures and cultural practices. During a recent WWF-backed research expedition around Greece’s northwestern ...

President of El Salvador says he won't return mistakenly deported man to U.S.

The best criminal justice reporting tagged with "sperm whale," curated by The Marshall Project.

On Wednesday, a rare possible sighting of a sperm whale was recorded offshore of Whidbey Island near the San Juan Islands. The sighting was submitted to the smartphone app, “Whale Alert”.

I was surprised recently to see a young patient in my surgery showing the symptoms of lead poisoning – joint and muscle pain as well as having memory problems. A blood test showed that he did ...

A surgeon accused of killing a patient by taking out the wrong kidney was warned he was making a mistake by a medical student watching the operation, a court heard yesterday. Dr Mahesh Goel ...

Semen, also known as seminal fluid, is the fluid secreted from the penis during ejaculation. The fluids are populated with spermatozoa (sperm cells) that can fertilize an egg. When viewed under the ...

In recent years, evidence has proven that orcas prey on great white sharks. A mother sperm whale and her calf off the coast of Mauritius. The calf has remoras attached to its body. Image by Gabriel ...

In order for pregnancy to happen, sperm needs to meet up with an egg. Pregnancy officially starts when a fertilized egg implants in the lining of the uterus. It takes up to 2-3 weeks after sex for ...

For even more ideas, our list of Goofy Comedy Movies to Watch with Tweens and Teens has plenty of funny picks and laugh-out-loud flicks that are perfect for kids of all ages to enjoy.