Scientists are concerned about invaders to Mars in the form of micro-organisms from Earth.
For the first time, scientists have discovered that Antarctica`s massive ice sheet is hiding an estuary, where fresh water from rivers mixes with salt water from the ocean.
The temperature in the permafrost on Ellesmere Island in the Canadian high Arctic has been found to be nearly as cold as that of the surface of Mars.
Scientists claim to have discovered a new type of bacterial life in waters from a mysterious buried Antarctic lake.
Researchers have discovered a rich diversity of microbial life and chemicals in the transitory habitat of a storm cloud.
Scietists in Antarctica are in a race against time to drill through a two-mile-thick ice cap covering a sub-glacial lake that has been cut off from the rest of the world for up to a million years.
NASA is getting ready to land its most sophisticated rover, nicknamed Curiosity on the Red Planet in August.
Day in Pics: 19th September
Showbiz World - September 19, 2014
Aamir Khan's sensational 'PK' posters