NASA telescopes in Chile have discovered a comet from interstellar space, making its closest approach in October.

Let me take you back to grade school and the solar system diagram. Can’t you picture it? All of our planets, (Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune), circling around our ...

NASA has discovered 3I/ATLAS, only the third known interstellar object, now passing through our solar system from the ...

Nicolaus Copernicus (1473-1543) would bring us from a geocentric universe to the heliocentric one, offering a very familiar, if incomplete, picture of our solar system.

Our solar system is populated by a multitude of breathtakingly beautiful planets and moons, each of which is steeped in its own unique history and, in many cases, cultural importance.

An accidental discovery in an astronomy show offers researchers a new clue about the mysterious Oort Cloud, a large expanse of icy bodies revolving around the sun.