Jupiter Icy Moons Explorer (JUICE) mission photographed the Earth, moon and Uranus as it heads toward Venus for a gravity assist next year.

What we all know as "ice" can take up to 20 different forms. One type, superionic ice, only exists deep inside planets called ...

All these thoughts of photographs of the planets and whatnot take me back to my childhood, when I pored through books ...

By staring into the hellish landscape of Jupiter's moon Io—the most volcanically active location in the solar system—Cornell ...

Throughout Earth's history, the planet's surface has been regularly impacted by comets, meteors, and the occasional large ...

This revealed that Uranus and Neptune are actually a rather similar shade ... so the researchers added a new variable to the model in the form of a "hood" of gradually thickening icy haze that has ...

NASA is weeks away from sending its Clipper orbiter on a journey to the Jupiter moon Europa, which scientists believe could ...

Hubble Space Telescope observations of white dwarf star G238-44 has shown that it is "consuming both rocky-metallic and icy material, the ingredients of planets," according to NASA's Goddard Space ...

When the International Astronomical Union announced in 2006 that Pluto was being demoted from its status as the Sun’s ninth ...

Only NASA's New Horizons spacecraft—one of five spacecraft that have reached the outer solar system—has managed to fly ...

According to the experts, the mysterious objects could be essential for a better understanding of the formation of the solar ...