The rare alignment of five naked-eye planets will begin to "break up" as they appear to grow increasingly distant from one another in the morning sky.
Our solar system is filled with planets, asteroids, comets, the sun and more, making it a wealth of discoveries waiting to be found. See the latest discoveries from across our solar system here.
An asteroid demolition derby took place between 7.8 million and 11.7 million years after the birth of the solar system.
On the 10th anniversary of the last transit of Venus, find out what makes these events so special and what else to look out for during the long wait for the next one.
What is it like to be on the surface of Mars or Venus? Or even further afield, such as on Pluto, or Saturn's moon Titan?
Both Voyager 1 and its twin, Voyager 2, carry little pieces of humanity in the form of their Golden Records.
The way each planet's atmosphere responds to methane might be responsible for the different hues of Uranus and Neptune.
A huge asteroid more than a mile wide will zoom safely by Earth today and you can watch it live today in a free online webcast.
A new computer simulation suggests that dwarf planet Ceres may have been flung by the gravity of gas giant Jupiter into the asteroid belt during the volatile era of planet formation.
A building-sized asteroid whizzed by our planet overnight at a very safe distance, just like all the other giant space rocks we know of.
The current definition of habitable zone only examines the amount of sunlight reaching a planet. It may be time to question that definition.
Venus' dense and stormy atmosphere is the cause why a day on the scorching planet is longer than a year, a new study suggests.
Thirty alien comets have been spotted transiting the young star Beta Pictoris, their long tails lighting up the skies of the fledgling planets forming there.
Jupiter's super-volcanic moon, Io, boasts grand, meandering dunes created by lava flows beneath the moon's surface, a new study shows.