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The beautiful moment when an entire group of sperm whales came together to support the birth of a calf has, for the first time, been recorded in unprecedented detail.

A trip to space could very well leave human male sperm stumbling about in the dark, chasing their tails.

Consistency is key to building healthy habits, and our daily meal choices may be no exception.

While we all celebrate our birthdays every 12 months (our chronological age), it doesn't always match up with the rate at which our bodies are wearing out (our biological age).

The discovery of the oldest ever dog DNA suggests they have been our best friends for nearly 16,000 years - 5,000 years earlier than had previously been thought, new research said Wednesday.

When it comes to reproduction, female biology is often described in terms of a ticking clock.

Metformin has been prescribed to people with type 2 diabetes to manage blood sugar for more than 60 years, but scientists haven't been exactly sure how it works - until now.

Sharks in the Bahamas have tested positive for cocaine, a new study concludes.

Around 7 million years ago, a little creature braved wildcats and hyenas to cross the floodplains of Bulgaria - and she may have done so on two legs.

Migratory freshwater fish populations crucial to river health and sustaining the livelihoods of millions of people are in freefall and risk collapse, a major UN assessment warned Tuesday.