A recent study has sparked intrigue by suggesting the existence of a mysterious object from beyond our solar system behaving like a “seed”, journeying across the galaxy and potentially giving birth to ...

Fast-moving objects like interstellar comet 3I/ATLAS may be planet-forming seeds, potentially helping to solve an old Solar System mystery. On July 1, 2025, astronomers spotted an object moving ...

Astronomers have been fascinated after spotting an object earlier this year that came from interstellar space as is now hurtling through our inner solar system. Regardless, it’s an interesting visitor ...

While searching for the mysterious Planet X that some astronomers believe lurks on the edge of our solar system, researchers instead found an extremely distant object they dubbed "the Goblin." And ...

It's far out, man – literally. Researchers have uncovered the most-distant celestial object in the solar system, a pink dwarf planet nicknamed "Farout," detect at a distance of more than 100 times ...

A new salvo has been fired in the back-and-forth debate about the existence of Planet Nine. In 2014, astronomers Scott Sheppard and Chadwick Trujillo suggested that a giant unseen "perturber" may lurk ...

The solar system’s retinue of known, faraway worlds has gained another member: a small, icy body that takes 40,000 years to plod once around the sun, traveling farther away from our home star than all ...