Space shuttle commander Kelly to retire from Nasa
Kerry SheridanUS astronaut Mark Kelly, who commanded Endeavour's final flight has announced his retirement to help his wife Gabrielle Giffords recover.
'New' antibody propels hunt for universal flu vaccine
Kerry SheridanThe discovery of a surprisingly effective "new" antibody is an exciting step forward in the hunt for a universal flu vaccine, researchers say.
Cow valve heart implant hailed as a breakthrough
Kerry SheridanA new type of heart valve made with cow tissue and inserted by catheter was hailed as a major breakthrough.
Nasa prepares to unleash 'terror' on Mars
Kerry SheridanThe biggest, baddest space rover ever built for exploring an alien planet is nearing its August 6 landing on Mars, and Nasa is anxious for success.
Stem rust: Ancient wheat plague threatens crops anew
Kerry SheridanDiseases that ravage wheat fields are as old as time itself. The ancient Romans even had a legend to explain the terrible plagues.
Stink bug munches its way through US orchards
Kerry SheridanA stink bug from Asia is chomping up US vegetable fields, orchards and vineyards, causing experts to scramble through an arsenal of weapons.
Atlantis blasts off on Nasa's final space shuttle mission
Kerry SheridanAtlantis blazed a path into history this afternoon when it blasted off on the last-ever mission of the 30-year-old US space shuttle programme.
Nasa's Kepler telescope confirms its first habitable zone
Kerry SheridanIn another step toward finding planets that might hold life, the Kepler telescope has confirmed its first habitable zone outside our solar system.
US boost for anti-rhino poaching programme
Kerry SheridanA US animal protection group has started to raise funds for a programme that will equip SA and Zimbabwe rangers with skills to better track poachers.
Nasa tracks space junk heading for ISS
Kerry SheridanNasa is tracking a piece of Soviet space debris that could collide with the International Space Station (ISS), the US space agency said on Sunday.
