New findings offer clues about the ancient origins of asteroids and their potential role in the formation of terrestrial ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but get a telescope and you can spot Neptune and Uranus.

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...

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

Temperamental' stars that brighten and dim over a matter of hours or days may be distorting our view of thousands of distant planets, suggests a new study.

A new type of exoplanet has been discovered: Enaiposha, also known as GJ 1214 b. Long heralded as a mini-Neptune, new observations have indicated that it is a member of a category never seen before ...

A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.

The moon has “many engagements” with the planets in February, NASA said in its monthly update on what to look out for in the ... along with many of our solar system’s planets.

Jan. 15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike anything found in the Solar System. This provides another piece of the puzzle to ...

But in reality, our Solar System’s disk is far from flat ... could be pretty chaotic—it could kick one of our planets out of our system entirely, or warp both the disc of the Solar System ...