Callisto, the third largest moon in the entire solar system, orbits Jupiter from about 1.2 million miles away. The rocky ...

It was a history making launch -- when NASA’s Europa Clipper embarked on its long five-year voyage to Jupiter. The $5 billion ...

The Europa Clipper mission, NASA's largest planetary science spacecraft to date, aims to determine if Jupiter's moon Europa ...

Saturn, Venus, Neptune, Uranus, Jupiter, Mars and Mercury will be visible in an uncommon planetary alignment this month.

On the 95th anniversary of its discovery, Pluto remains one of the most beloved and enigmatic worlds in our solar system, ...

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...

NASA's Juno Probe captured a cloud formation on Jupiter resembling a dolphin, seen by Brian Swift and Sean Doran. This ...

The zodiacal light shines in the evening as the Moon reaches Last Quarter and skims past Spica and Antares in the sky this ...

Look up this week for February’s full snow moon and ... because they all orbit the sun in a mostly flat plane called the ...

Watch a bright Moon dominate the sky, trace the Winter Hexagon, and continue enjoying the evening parade of planets in the ...

ATLANTA, GA — The all clear is given for the public to return at Atlantic Station after authorities say a threat was phoned into them targeting the area near Regal Cinemas and Old Navy.

The hellish surface of a moon of Jupiter known as Io is riddled with ... seen belching out eruptions six times the total energy of all the world’s power plants combined, NASA said in a press ...