Our moon is not the biggest moon in the solar system — not by a long shot. In fact, the Moon is only the fifth biggest satellite in our solar system, wedged right between Io and Europa in size ...

To receive the same amount of starlight as Mars receives from our sun, a planet orbiting an M-type red dwarf would have to be positioned much closer to its star than Mercury is to the sun.

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

In our thinking, our solar system had finally joined the larger universe, and diagrams like these showed us as just one system in a larger galactic neighborhood.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The circulatory system consists of three independent systems that work together: the heart ...

Most charts of the Solar System we enjoy are terrible lies. This is because they're not to scale: It's easier to clump everything together so that all of the planets and stars fit neatly into an ...

Looking at the Excel files that contain six months' worth of data from the Bay Area Bike Share program is mind-numbing. But when all that information is laid out in the form of a solar system ...

A new virtual reality app lets users explore the solar system up close, from scorching-hot Mercury to faraway Pluto and beyond. The app, called Star Chart for VR, is billed as the first virtual ...

Diagram showing the path of A/2017 U1 through the inner solar system. [Diagram: NASA/JPL-Caltech] According to Space.com, when it was first observed, scientists at first assumed it was a comet but ...

But it is the diagram that he draws at the beginning of the book that captures in a simple image his revolutionary new idea: it is the Sun that is at the centre of the Solar System, not the Earth ...

This space wallpaper is an orbit diagram for the outer solar system. The sun and terrestrial planets are at the center. The orbits of the four giant planet Jupiter, Saturn, Uranus and Neptune are ...

5 NASA Spacecraft That Are Leaving Our Solar System for Good Most of these interstellar spacecraft carry messages intended to introduce ourselves to any aliens that find them along the way.