CHICAGO (Reuters) - Archbishop Desmond Tutu has done it. So has genome pioneer Craig Venter.

LONDON (Reuters) - Scientists have found the "mother," or origin, of all skin cells and say their discovery could dramatically improve skin treatments for victims of serious wounds and burns.

WASHINGTON (Reuters) - Two studies published on Wednesday show it is possible to sequence the entire gene maps of families with inherited diseases and pinpoint the offending bit of DNA.

CAPE CANAVERAL, Florida (Reuters) - Space Exploration Technologies aborted a test firing of its Falcon 9 rocket on Tuesday, in what was to be a key milestone in its quest to fly cargo -- and eventually astronauts -- to the International Space Station.

CAPE CANAVERAL, Florida (Reuters) - Space Exploration Technologies fired up the engines of its debut Falcon 9 rocket on Tuesday, a key milestone in its quest to fly cargo -- and eventually astronauts -- to the International Space Station.

LONDON (Reuters) - Britain risks decades of slow economic decline unless it invests heavily in research, which at the moment is one of the country's few genuine areas of economic competitive advantage, leading scientists said on Tuesday.

GENEVA (Reuters) - Dark matter, which scientists believe makes up 25 percent of the universe but whose existence has never been proven, could be detected by the giant particle collider at CERN, the research center's head said Monday.

LONDON (Reuters) - Vitamin D is vital in activating human defences and low levels suffered by around half the world's population may mean their immune systems' killer T cells are poor at fighting infection, scientists said on Sunday.

WASHINGTON (Reuters) - President Barack Obama will outline his administration's vision for space agency NASA and an eventual trip to Mars during a conference in Florida in April, the White House said on Sunday.

LONDON (Reuters) - Vitamin D is vital in activating human defenses and low levels suffered by around half the world's population may mean their immune systems' killer T cells are poor at fighting infection, scientists said on Sunday.