Researchers have documented orcas seemingly gifting rays, seals and fish to scientists and divers, which could suggest they ...

Eggs and embryos from people with polycystic ovary syndrome have altered patterns of so-called epigenetic tags, which could ...

AI models change their medical recommendations when people ask them questions that include colourful language, typos, odd ...

A long-lasting formulation of an antiviral drug greatly reduced people’s risk of a symptomatic flu infection in a trial, and ...

People with PCOS who struggle to conceive tend to have lower levels of a gut microbe that has been linked to endometrial ...

With the help of powerful computers, researchers discovered a four-sided shape that naturally rests on one side, and built a ...

Helping yourself get to sleep isn’t just about avoiding screens before bedtime. From cognitive shuffling to sleep-restriction ...

Ticks are spreading globally and bringing familiar conditions such as Lyme disease with them, as well as totally new ones.

Geologists have long debated whether a stony formation in Canada contains the world’s oldest rocks – new measurements make a ...

Scary dreams disrupt our sleep and elevate our levels of the stress hormone cortisol, which may have serious consequences for ...

With their country threatened by sea level rise, the people of Tuvalu have been offered an escape route through an agreement ...

A high-speed crash between two dwarf galaxies might explain a unique feature in space – and provide useful information on ...