AFP - Two Russian cosmonauts on board the International Space Station made a new space walk to finish off work begun during an earlier operation last week, the Russian space centre said.

AP - The space station's two Russian astronauts stepped outside for the second time in less than a week Tuesday, taking a spacewalk that proved to be tame compared to last week's work with explosives.

AFP - French researchers on Tuesday said that gene therapy, tested on lab animals, showed promise in combatting the tragic neurogenerative disease known as Huntington's.

AP - Fire crews battling nearly 300 blazes burning across California are getting help from a pilotless plane that transmits real-time images of hot spots and flare-ups to commanders in the field.

AP - Tropical Storm Bertha headed back out over open ocean and away from the U.S. mainland Tuesday after it battered Bermuda, knocking out electricity to thousands on the Atlantic tourist island.

AP - A high-profile push by business groups to double the number of U.S. bachelor's degrees awarded in science, math and engineering by 2015 is falling way behind target, a new report says.

AP - The experts at London's Natural History Museum pride themselves on being able to identify species from around the globe, from birds and mammals to insects and snakes. Yet they can't figure out a tiny red-and-black bug that has appeared in the museum's own gardens.

AP - The space station's two Russian astronauts stepped outside for the second time in less than a week Tuesday, taking a spacewalk that promised to be tame compared to last week's work with explosives.