If the Sun was born in a relatively compact open cluster (half-mass radius ~3pc) with ~10^3 stars, it is quite likely that a massive (>10MSun) star was nearby when it exploded in a supernova. The ...

The Kuiper Belt could extend billions of miles farther than anyone thought. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NASA's New Horizons ...

In most maps of the solar system, you can expect to see the eight canonical planets (plus whatever Pluto is at the moment) trailing the fiery orange sun like polite little ducklings in a row. In ...

Beyond the edge of Neptune, a distant realm of icy debris known as the Kuiper Belt stretches deep into space. This frozen frontier holds the scattered remains of the early solar system, offering ...

The Solar System, consisting of giant planets, millions of asteroids and a Sun, has a boundary. Yes, like all countries on Earth, the Solar System too has a region after which its dominion ends. This ...