Feature Stories

How ethics as well as science should drive the planetary protection discussion.

NASA’s Chief Scientist, Dr Jim Green, speaks to Kepler scientist Jon Jenkins.

The long quest for liquid water on Mars may have finally met with success.

NASA’s Chief Scientist, Dr Jim Green, speaks to Dr Lindley Johnson, whose role as NASA’s Planetary Defense Officer is to help protect Earth from asteroid impacts.

Look for evidence of life on Titan in craters, not cryovolcanoes.

NASA’s Chief Scientist, Dr Jim Green, talks to Professor Steve Squyres, who as the Principal Investigator on the Mars Exploration Rover missions Spirit and Opportunity, has been at the forefront of our exploration of the red planet for almost the last 15 years.

Two ancient lakes in the Andes Mountains could prove to be analogs in the search for life on Mars.

New research by a trans-Atlantic team of scientists suggests that bacteria could survive in briny chemicals that exist on Mars, Enceladus, Europa, Pluto and possibly elsewhere.

The essential building blocks of life have been discovered emanating from the subsurface ocean of one of Saturn’s moons.

A group of microbes found in a highly acidic, hot, mineral-rich volcanic lake in Central America may give us clues about life on ancient Mars.