A giant planet the size of Saturn orbiting a sun-like star has potentially been identified in our nearest neighbouring stellar system, Alpha Centauri. At just four light years from Earth, Alpha ...

For centuries, humans have gazed at the stars, trying to understand what lies beyond the familiar planets we know. From Mercury’s blazing orbit near the Sun to Neptune’s icy edge, our Solar System has ...

Discovered in 1846 through mathematics rather than sight, Neptune was the first planet found by calculation — astronomers noticed Uranus drifting off course and predicted another world’s gravity was ...

2025 PN7 is a small, dim asteroid that appears to orbit Earth, according to EarthSky. Believed to be a piece of the moon that blasted out, the object has been in its orbit as a quasi-moon for about 60 ...