1. Green issues that no longer matter
(Special News/Special news)

... could deplete the ozone layer that surrounds the Earth. Dire warnings about the consequences, particularly rising rates of skin cancer, prompted governments to crack down on CFC use around the world.  ...

2. The Future of Space Robots, Is It Just Dream?
(Special News/Special news)

... and where to go. That becomes crucial for future missions to distant places such as the moons of Saturn or Jupiter, where a command signal from Earth can take over an hour to reach robotic explorers.  ...

3. Natural satellite
(Science and technology/Satellite)

... comparable in size to Earth's moon: the four Galilean moons, Saturn's Titan, and Neptune's Triton. Saturn has an additional six mid-sized moons massive enough to have achieved hydrostatic equilibrium, ...

4. Red Planet getting red hot
(Science and technology/Planet)

Earth may share one problem with its nearest planetary neighbour - global warming - according to a new study. Scientists focused on Earth's climate of late have charted how greenhouse gases like carbon ...