Are we alone in the universe? While no one can say for sure, space scientists know where to start looking—exoplanets. An ...

Astronomers have identified a super-Earth orbiting a Sun-like star just 20 light-years away, making it one of the closest and most promising candidates for studying Earth-like atmospheres. The planet, ...

Named HD 20794 D, the newly discovered ... An exoplanet is a planet outside our solar system that usually orbits a star in our galaxy. More than 7,000 have been found in the Milky Way since ...

An international team of researchers has discovered a super-Earth that will allow astronomers to test new hypotheses in the quest for life in the Universe. The ...

IT'S been nearly 40 years since the first planet outside of our Solar System was discovered. Since then, more than 5,800 weird and wonderful worlds across 4,300 planetary systems have been located.