Biologists like to say that reproduction is the ultimate investment, a costly gamble that shapes everything from lifespan to ...

By studying genetic data from nearly 140,000 IVF embryos, scientists have with unprecedented detail revealed why fewer than ...

Scientists are calling for urgent action on free-living amoebas—a little-known group of microbes that could pose a growing global health threat. Here's what you need to know.

New research shows that epaulette sharks, often called “walking sharks,” can produce eggs without increasing their overall energy use.

A new study has uncovered a hidden step that helps the deadliest malaria parasite survive and multiply inside the human body. Researchers studying Plasmodium falciparum found that the parasite relies ...

These “walking sharks” can lay eggs without spending extra energy, rewriting what scientists thought they knew about reproduction.

Scientists at the Max Planck Institute for Biology have discovered a remarkably streamlined strategy for developmental ...

Epaulette sharks can reproduce without any measurable increase in energy use, stunning researchers who expected egg-laying to be costly. Scientists tracked metabolism, blood, and hormone levels ...

2021. A man in his fifties is admitted to hospital in San Francisco, California, after experiencing a seizure. He is disoriented, appears distracted and has difficulties with his speech. An MRI scan ...

Teresa Sanchez was in Mexico for a medical procedure nearly four years ago when she kept feeling dry, poking sensations in her right eye. She chalked it up to a potential rip in her contact lens, the ...