The universe, as Douglas Adams so memorably explained, is big. Really big. But so are the things inside it -- even objects like the Solar System, which on a galactic scale are absolutely minuscule. A ...

The solar system is difficult to show correctly. Why? It is difficult because the size of things are vastly different. Let me use units common in solar-system astronomy, the Astronomical Unit (or AU).

Scientists have discovered the largest ball of hot gas ever found, a monstrous sphere of fire streaking through a galaxy cluster millions of light-years away. “The size and velocity of this gas ball ...

Banner image: A glass block marks Saturn's spot in the solar system in a new scale model on the CU Boulder campus. (Credit: CU Boulder) Have you ever wanted to travel to Neptune? Thanks to an updated ...

At this very moment, NASA’s Parker Solar Probe is in the midst of its third lap around the Sun. Since its launch last August, the spacecraft has been furiously collecting data for Earthlings eager to ...

BROKEN ARROW — Instead of waiting for the Artemis launch later this month, Broken Arrow residents can go stand outside Creekwood Elementary School if they want to visit the moon. Joined by municipal ...

I did my very first presentation when I was 15 years old. It was about the Solar System at the time when Pluto had yet to be "pluto-ed". Because I was such an astronomy enthusiast back then, I also ...

The Solar System’s current planetary orbits seem stable, but that’s only because the planets have settled into them over billions of years. The early Solar System was a much different place than that ...

For the first time since 2008, two new planets are being added to one of northern Maine's most famous — and scientifically accurate — roadside attractions. Dwarf planets Haumea and Makemake are the ...