Unravel the cosmic enigma with our latest video on the elusive "Planet Nine"! Join the quest as astronomers explore gravitational hints, peculiar orbits, and groundbreaking techniques in the ...

Astronomers are closing in on one of the most tantalizing possibilities in planetary science, evidence that a previously ...

A massive interstellar object passing through our solar system during its formative years likely altered the orbits of planets into trajectories observed today, a new study says. Interactions with ...

The newly identified cluster of Kuiper Belt objects lies about 4 billion miles from the Sun, offering fresh clues about how ...

In the outer Solar System, far from the light and warmth of the Sun, things can get a little… hinky. There, clusters of rocks have been orbiting in weird loops that some astronomers have attributed to ...

The orbits of the planets around the Sun have been the source for many a scientific debate. Their current orbital properties are well understood but the planetary orbits have evolved and changed since ...