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

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

To get somewhere in outer space, you can’t exactly drive in a straight line. Orbits are tricky things, and sending a probe to ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

The James Webb Space Telescope has captured a belching protostar in its infancy. By studying the dust grains whirling around ...

Scientists have been unable to determine whether the dwarf planet’s organics were produced by its own chemical processes or ...

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

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

The image above may look similar to a ... a thin layer — an essential step in the formation of planets like those in our own solar system. "These grains are only one millionth of a meter across ...

All forms of Earth life have specific chemicals in their makeup, such as amino acids and sugars. Scientists have known that ...

The James Webb Space Telescope captured stunning images of the young star HH 30 in the Taurus Molecular Cloud, revealing ...