Autism has at least four subtypes, an analysis of more than 5,000 children’s genes, traits and developmental trajectories has shown ...

Scientists have revealed exactly when the next shortest days will occur as Earth's rotation speeds up once again.

Dehydration raises the risk of injury - so take steps to protect yourself when working out in hot temperatures ...

Many of us relish the sunshine, but when temperatures soar too high, it can become rather uncomfortable. Such extreme heat is ...