For the first time in more than 25 years, mathematicians have proven a new way to identify prime numbers, and in doing so developed a toolkit that could allow further advances in number theory.

A mixed-sex rowing crew are hoping to complete a 3,000-mile (4,828km) challenge across the Atlantic. Suzanne Isaacs, Tony Emmins, Jason Garland and married couple Claire and Rich Allinson have ...

Philip Dumas / Getty Images The United States has a mixed economy. Its economic system functions with characteristics of both capitalism and socialism. A mixed economic system protects some ...