A rare alignment of two exoplanets with their star, marking one of the few known exosyzygies, an astronomical event involving ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

From Mercury to Neptune, observers in the United States will get to see this historic planet parade known as a large ...

Add Yahoo as a preferred source to see more of our stories on Google. Six planets will soon be aligning for a stunning celestial display. In early August, Mercury, Jupiter, Venus, Uranus, Neptune, and ...

Realising that our solar system isn’t like most others out there has helped astronomers rewrite the story of how it formed ...

Planet 9 sits at the edge of scientific imagination, promising either an epic expansion of the Solar System or a lesson in ...

A lucky alignment of space- and ground-based telescopes has enabled researchers to nail down the mass of a rogue planet for the first time. Unlike worlds in our Solar System, rogue planets do not ...