Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar ...

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

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 the size of Earth, and is located 48 light-years away ...

NASA has been monitoring a never-before-seen planet in its solar system, which is eight times the size of Earth.

There's a 3 percent chance Earth is destroyed in 2032 by an asteroid, leading some to wonder how big the asteroid would need ...

An object eight times the mass of Jupiter may have ... four of the solar system's planets onto a different course. A planet-size object that possibly once visited the solar system may have ...

The European Southern Observatory's Very Large Telescope (VLT) imaged both of the planets directly, and PDS 70b has the ...

Image source: NASA Indian scientists have stunned the world with the discovery of a massive alien planet—a giant 78 times the size of Earth. This incredible find has sparked excitement in the ...

Fans are already complaining about Galactus' size in The Fantastic Four: First Steps, but in the end, it doesn't really matter.

A study using Hubble data found that stellar activity distorted measurements for many exoplanets, potentially leading to errors in size, temperature, and atmospheric composition. Researchers highlight ...

And being so close to the sun, it will be difficult to see. With eight planets in our solar system, they all have some very interesting traits. Here's a quick look at the planets aligning on this ...

In August 2006, the International Astronomical Union made the controversial, but correct, decision to demote Pluto from its ...