Triton is thought to have started life out here, along with hundreds of other dwarf planets including Pluto and its moon ...

Before there was astronomy, there was astrology, attempting to divine mystic meaning from the motions of stars and planets ... The Dutch astronomer Jan Oort (soon to be famous for studies of the solar ...

Scientists say a celestial object discovered decades ago is actually twins orbiting each other. The discovery was published ...

The Oort Cloud’s residents may be a reason why life ignited on Earth; crashing on our planet eons ago, these ice bodies may have supplied at least some of the water that all life requires. At the same ...

a cosmic cloud so colossal it surrounds the sun and eight planets as it extends trillions of miles into deep space. The spherical shell known as the Oort Cloud is, for all practical purposes ...

(Dwarf planet Ceres is shown in these false-color renderings, which highlight differences in surface materials.) Credit: NASA/JPL Research indicates that Ceres, initially believed to be rocky, is ...

Perseverance HomeMission OverviewRover ComponentsMars Rock SamplesWhere is Perseverance?Ingenuity Mars HelicopterMission ...

However, it's a once-in-a-lifetime opportunity as it won’t be back for another 80,000 years. The Oort Cloud comet, called C/2023 A3 Tsuchinshan-ATLAS, was discovered in 2023, approaching the inner ...