The newly discovered world — a "sednoid" — challenges what planetary scientists thought they knew about the edge of the solar ...

A rare celestial object beyond Neptune, 2020 VN40, moves in sync with Neptune, offering new insights into the outer solar system and fueling the search for Planet Nin ...

An icy object in perfect sync with Neptune reveals new details about planetary migration and unseen bodies far beyond the Kuiper Belt.

Pluto reaches opposition and the Moon waxes to First Quarter as shooting stars streak through the sky this week.

Every once in a while, space gives us something totally unexpected. Well this time, the solar system is surprising us with a ...

Pluto reaches opposition and is ready for those who want to chase it down. Use the biggest scope you've got, or take aim with ...

A newly discovered dwarf planet called 'Ammonite' (2023 KQ14) has been spotted in the outer solar system, and it could be ...

SCOTS may be able to catch a glimpse of Pluto this week as it reaches peak brightness. The dwarf planet is set to be at its ...

Early observations of the planets revealed worlds far different from Earth, demonstrating that the universe was far more ...

A large lunar crater featured in the iconic 'Earthrise' photo has just helped the European JUICE spacecraft hone its ...

Ted Stryk's work was recognized by the International Astronomical Union, which names bodies in the solar system.

THE mysterious interstellar object blazing through our solar system could be a piece of “possibly hostile” alien technology, ...