Scientists theorize life on Earth could have come from the dwarf planet Ceres.

Scientists are weighing the importance of plate tectonics to life on alien planets.

There is fierce debate over the direction humanity should take when exploring the solar system.

A new idea proposes that potentially habitable worlds can be split into four categories.

Some lunar craters may be perfect for preserving samples of life from Earth or Mars.

Tardigrades' survival in space gives more credence to the panspermia idea.

Researchers found hydrothermal vents supporting an extremophile ecosystem.

A new method of exploring thick icy sheets and below them has been devised.

Life-searching instruments are tested in Rio Tinto for an mission to Mars.

Bucknell professors predicted an important planetary observation.

A vast database that shows asteroids are shaped by small impacts over time.

Microbes can change conditions to make barren areas suitable for life.

Signs of life on Mars can be spotted using instruments on robotic probes.

A flotilla of space probes is heading to Mars.

Bernard Foing looks to the Moon, Mars and even deep space to seek life.