Nasa rover Curiosity has beamed back pictures of bedrock that suggest a fast-moving stream, possibly waist-deep, once flowed on Mars – a find that the mission’s chief scientist called exciting.

MEN who increase their intake of a vitamin traditionally recommended for pregnant women can cut their chance of having abnormal sperm, researchers said yesterday.

Concerns by Google that a Bush administration demand to examine millions of its users’ internet search requests would violate privacy rights are unwarranted, the Justice Department said in a court filing.

December’s great Sumatra-Andaman earthquake – the most powerful in more than 40 years and the trigger of a devastating tsunami – shook the ground everywhere on Earth’s surface, scientists have found.

USA captain Dave Hodges, now fully recovered from injury, will lead the Eagles in the World Cup next month Down Under.