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

Astronomers have long suspected that an enormous, unseen planet is hiding somewhere far beyond Neptune, quietly shaping the orbits of icy objects at the edge of our solar system. Now, a new generation ...

In a birth chart, the Moon sign aligns with our inner worlds ... Mercury is the fastest-moving planet in the solar system. It retrogrades more than any other planet, which can affect the time ...

NASA’s Lucy spacecraft captures asteroid Donaldjohanson, marking a new step in its mission to explore the solar system’s ...

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

The vastness of our Solar System and the distances involved is something that's hard to convey. Especially when scaled down on a chart or in a book, but Dallas Campbell thinks he's got a way of ...

The NASA New Horizons spacecraft's extensive observations of Lyman-alpha emissions have resulted in the first-ever map from the galaxy at this important ultraviolet wavelength, providing a new look at ...