Study reveals that human interactions affect wildlife behavior differently, with lethal humans causing heightened vigilance ...

Historically a transit stop on the way to Europe, Tunisia has slowly become a destination for sub-Saharan migrants. A new law ...

As private companies race to build orbital habitats and government agencies sketch out Mars timelines, a fundamental ...

Scientists have documented same-sex behavior in many animals. Learn what it means, how it varies, and why human labels can mislead.

Life on Earth began in a way that still boggles the mind. Around 4.5 billion years ago, a chemical process called abiogenesis ...

Athletes excluded for first time for materials doping with 'forever chemicals' since the prohibition took effect three years ...

Ostarine, a drug designed to help cancer patients rebuild wasting muscles, has become one of the most contentious substances in sport ...

Both the UK and US Governments have pledged to end research using animals, but is such a goal realistic? And how might it change medical research? Talha Burki reports.

Today, the US Environmental Protection Agency (EPA) rescinded its 2009 endangerment finding: a drastic move even in the context of the Trump administration’s larger deregulatory and anti-climate ...

It’s a weird time to talk about contraceptives. Here's what the debate is missing.

Scientists at Michigan State University have uncovered the molecular “switch” that powers sperm for their final, high-speed dash toward an egg. By tracking how sperm use glucose as fuel, the team ...