An international team of researchers have discovered three potential “super-Earth” exoplanets orbiting a relatively nearby orange dwarf star, marking an important development in the search for habital planets.
A Dalek, a set of original sketches by science-fiction writer Iain M Banks, and a handwritten inscription by Galileo are among items on display in a new exhibition in St Andrews that is out of this world.
Newly categorised 'eggshell planets' have ultra-thin crusts too thin to sustain tectonics and will be hostile to life, says new research.
Chemical analyses of the oldest pieces of Earth suggest our planet was habitable 700m years before the date of the earliest fossil.
A team of international researchers, led by scientists from St Andrews and the SETI Institute, have redefined the alien detection scale.