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

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

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

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.

These embryos, somewhere between small planetesimals and fully formed planets, were abundant during the solar system's formative ... in the earliest days of our cosmic neighborhood.

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course.

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

For the first time, astronomers have imaged dozens of belts around nearby stars where comets and tiny pebbles within them are ...

This places it between Earth and Neptune in a size range that typically divides exoplanets ... expands our understanding of the diversity of planets (just like this strange object in our Solar System) ...

An object we thought belonged to the most common category of planet in the galaxy has turned out to be something we've never seen before.

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