Planets

The ExoMars Trace Gas Orbiter will circle the planet and measure minute levels of atmospheric gases.

Evidence of a distant giant planet lurking secretly in our solar system is compelling, according to researchers.

The Square Kilometre Array will contribute to huge surveys that seek to answer questions like: Is there life out there and how do galaxies form.

Astronomers are discovering more and more exoplanets that could support life as we know it, but distance from a sun is only one critical requirement.

A newly discovered "mega-Earth" shouldn’t even exist, yet its features suggest it could sustain life.

Gravity measurements taken by a Nasa spacecraft indicate that a small moon orbiting Saturn contains an underground ocean in its southern hemisphere.

Florence Porcel, a Frenchwoman living in Paris, would give anything to live on Mars, saying she has always felt "a bit cramped on Earth".

Gwen Ansell glories in the breathless wonder and excitement that speculative fiction can still provide.

The planets, found by researchers at Notre Dame University, in the United States, do not orbit any star.