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

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

New research shows that star activity can distort exoplanet measurements, affecting size, temperature, and atmosphere ...

NASA's James Webb Space Telescope has been used to shed new light on the exoplanet, GJ 1214 b, which is more than eight times ...

NASA's powerful James Webb Space Telescope has captured grains the size of a single bacterium that'll likely transform into planets.

A suspected planet that appears well-suited to life has had its existence confirmed – and it’s very much in our neighborhood, ...

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.

STARGAZERS are in for a treat this month as a rare planet parade falls in Andromeda galaxy season. “One of the best planet ...