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

Astronomers have discovered an exoplanet that might have favorable conditions for liquid water. This planet, HD 20794 d, ...

Loki Patera is 202 kilometres (126 mi) in diameter, covers 20,000 sq km (7,700 sq mi), and was the largest volcanic feature found on Io until these new observations revealed the hot spot in the south ...

It is located in a star system less than 20 light-years away, making it one of the closest candidates for further research.

The discovery of a potentially habitable 'super-Earth' exoplanet, HD 20794 d, was published in the scientific journal ...

Earth's unusual orbit through hot and cold conditions tests the limits of tolerability for any known lifeforms.

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

Scientists found an intriguing world in our galaxy.

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

Astronomers studying data from the Juno spacecraft discovered a volcanic hot spot in the Southern Hemisphere of Jupiter’s moon Io. The volcanic region belches out eruptions six times the total energy ...

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

Astronomers have discovered an intriguing, potentially habitable, super-earth not far from us in cosmic terms.