Which solar system model is best? For as long as humans could look up at the night sky, we’ve been fascinated with the stars. How far away are they? Where did they come from? What secrets do they hide ...

Astronomers measure the speed at which the solar system is hurtling through space by mapping surrounding galaxies and ...

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 ...

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 ...

For every rule in the cosmos, there is a spectacular exception. While most planets orbit in a neat plane, Pluto tumbles at a ...

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 ...

New measurements of radio galaxies reveal that the solar system is racing through the universe at over three times the speed ...