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A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.

An exoplanet is a planet outside our solar system that usually orbits a star in our galaxy. More than 7,000 have been found ...

The exoplanet HD 20794d swoops in and out of its habitable zone every few hundred days, making for an extreme climate.

Thirty years after the discovery of the first exoplanet, astronomers have detected more than 7,000 of them in our galaxy. But ...

Scientists found an intriguing world in our galaxy.

HD 20794 d completes its orbit just shy of two Earth years, placing it well within reach of conditions that might harbor life ...

UK researchers have confirmed the existence of a “super Earth” located 20 light-years away that could reveal the existence of ...

Our Solar System is a carefully balanced celestial dance held together by a virtually perfect balance of gravity and inertia.

But according to an international team of researchers, including some from the University of Geneva, in a study published ...

The discovery of a planet that is just 20 light-years away has been said to be the closest Earth analogue that scientists ...