Mercury, the planet of communication and thought, began its retrograde in Sagittarius on November 9, spotlighting truth, ...

Just 4.3 light years from Earth lies a star called Alpha Centauri A, which is famous for being the nearest star that resembles our own Sun. In the popular Avatar movies, this star's system is home to ...

A potential gas giant recently discovered orbiting in the habitable zone of one of the closest stars to Earth could have a moon capable of sustaining life — just like the alien world "Pandora" from ...

Enceladus may be leaking heat from both poles—raising hopes that its hidden ocean could stay stable enough to support life.