Through the end of February, all the planets in our solar system will visibly align in the sky, like a trope taken straight ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

The so-called 'planetesimal belts' are filled with tiny millimeter-sized particles created by collisions between comets.

Claims of a "rare planetary alignment" are misleading; it's just visible planets. A true "golden conjunction" occurs on Sept.

New research has revealed that Hot Jupiters do not always push away or destroy nearby planets during their migration. This ...

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...

Worlds will align for a "planetary parade" in January, with four bright and easily visible to the naked eye. But an even ...

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event ...

Simpson and Chen ran mathematical models looking at how differently sized Earth-like worlds would have affected the rest of ...

Although it's being mistakenly promoted as a "rare planetary alignment," one of the best "planet parades" in half a century ...

We also got important quality-of-life updates like inventory sorting in the Worlds Part 2 update.