In a recent paper, the team looked at long-period objects that crossed the path of Neptune's orbit, finding that their closest point of orbit to the sun was around 15-30 astronomical units (AU ...

A team of astronomers poring through old astronomical data may have seen a candidate for the elusive Planet Nine – a ...

Venus will partner up with the giant planets Saturn and Neptune to form a line up in the pre-dawn sky on May 8, with ...

Carmona et al, Characterizing planetary systems with SPIRou: Detection of a sub-Neptune in a 6 day period orbit around the M dwarf Gl 410, arXiv (2025). DOI: 10.48550/arxiv.2504.03572 ...

From Mercury to Neptune, explore our solar system and learn ... which are distant regions filled with small icy bodies and long-period comets. Related: 10 incredible volcanoes in our solar system ...