Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

Gravity provides the force needed to maintain the stable orbit of planets around a star and also of moons and artificial satellites around a planet. The moons around planets in the Solar System ...

Astronomers have long speculated about an unseen planet lurking in the solar system's outer edge. This hypothetical world, ...

The second problem is that assuming the sun to be the solar system’s centre of gravity also means assuming the sun itself to be stationary. This means that the sun’s own motion can’t be ...

The internet has been abuzz with the possibility of sky watchers seeing a “smiley face” in the eastern sky above the horizon on Friday morning before dawn.

Discover the order of planets in the solar system. From Mercury to Neptune, explore our solar system and learn more about our cosmic home. The solar system is our cosmic neighborhood, made up of ...

University of Central Florida (UCF) scientists and their collaborators discovered new insights into the formation of distant ...

Save guides, add subjects and pick up where you left off with your BBC account. The Sun and its planets – Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune The different planets ...