Because the known Venus co-orbitals have strong eccentricity, they can move farther away from Venus and closer to Earth, thus becoming easier to see in our sky at twilight, when the Sun is below the ...

For nearly two decades Enceladus, a 500-kilometer-wide moon of Saturn, has been a top target in the hunt for extraterrestrial life. In 2005, shortly after arriving in orbit around the ringed planet, ...

Saturn's moon, Enceladus, could harbour alien life deep within its underground oceans, according to the European Space Agency (ESA).

Northern lights, or auroras, are not exclusive to Earth. Astronomers have already detected this phenomenon on most planets and many moons in our solar system. Now, an international research team has ...