Donaldjohanson, a main belt asteroid, could be a relic of a cosmic collision that took place 150 million years ago.

YR4, which orbits the sun every four years and periodically crosses Earth's orbit. The nature of its orbit makes it a ...

IT’S been nearly 40 years since the first planet outside of our Solar System was discovered. Since then, more than 5,800 weird and wonderful worlds across 4,300 planetary systems have been ...

Jupiter will be a bit lower in the sky, near Taurus. Venus will appear as the ... The planets in the solar system orbit the sun, just as Earth does. Every planet orbits at a different speed ...

Astronauts Suni Williams and Butch Wilmore are on their way back to Earth, with a splashdown off Florida coast expected late this afternoon.

A phantom “Super-Jupiter” 13 times more massive than our solar system’s gas giant is drifting through the cosmos around 20 light-years from Earth ... telescope’s Near-Infrared Spectrograph ...