'Simply put, the compound turns-off the sperm's ability to swim'

'You might think having people watch you isn't going to help, but it might actually make you perform better,' says researcher

Human influence on the survival of big mammals is 'striking,' one scientist says

Scientists have discovered a new technique that could help create more environmentally friendly recycling

Unusual experiment could provide insights into addiction to rewarding substances

Scientists think Bajau people of Indonesia's enlarged spleens give them the ability to hunt for longer underwater

Global leaders call on the Commonwealth to halve malaria in next five years

The 'Kilopower' project could be used to generate clean energy on the moon, Mars and further into the universe

Experts say that the history had to be found and made public – but caution that it should cause no distress to anyone who identifies with the syndrome that took his name

A NASA satellite has embarked on a quest for planets where life might exist.