Anuradha K. Herath

A change in the Earth's orbit, many scientists believe, transformed the "Green Sahara" into what is now the largest desert on the planet.

A math technique could be used to detect forests on extrasolar planets.

Designing a spacecraft to enter and exit Mars' unpredictable atmosphere is a big challenge.

The surfaces of Mars, Venus and the Moon could be suitable for farming, study suggests.

To effectively colonize space, astronauts may have to alter their human biology to fully realize their goal.

A new technique is being developed to detect water in the protoplanetary disks of other solar systems. If successful, it would help in our understanding of how habitable planets form.

The first microbiological survey of Mars analog lakes in Western Australia is offering new evidence of the diverse life that could have once thrived on Mars.

A new model for the origin of life says zinc may have played a vital role.