Looking up into the night sky, it can be difficult to comprehend the vastness of the space that surrounds the Earth – and the impressive size of the various stellar and planetary bodies on display.

A screenshot of James’s animation “Planets and dwarf planets to scale in size, rotation speed & axial tilt in distance order from Sun”. Credit must be given to the creator. Only noncommercial uses of ...

An animation posted to Twitter has shocked social media users by showing the impressive size of Jupiter and just how rapidly the solar system's largest planet rotates. The animation posted by ...

The fate of Neptune-like worlds that migrate close to their star is to be whittled away by stellar radiation. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

Pouring rain didn't dampen the spirits Saturday of about 100 people who gathered to witness the unveiling of a scale-model solar system at the McCarthy Observatory in New Milford. The centerpiece is ...

Astronomers have discovered an Earth-size planet that is showered with so much radiation, its atmosphere eroded away long ago, leaving it bare. Life as we know it can't exist on this blistering world, ...

Bigger than a planet? Smaller than an atom? Size comparison videos are all the rage and may scratch a very old itch. By Jenny Marder Not long ago, my 7-year-old son looked up from a picture he was ...