NASA and ESA’s Hubble Space Telescope has been observing the outer planets through a program called OPAL (Outer Planet ...

The Griffith Observatory explained that during a major lunar standstill, the moon reaches its most northerly and southerly ...

NASA's recent flybys of Io, however, reveal that it likely doesn't contain a global magma ocean beneath its surface, as ...

Scientists with NASA's Juno mission to Jupiter have discovered that the volcanoes on Jupiter's moon Io are each likely powered by their own chamber of roiling hot magma rather than an ocean of magma.

Researchers from the Juno mission have finally solved a mystery that has puzzled scientists for over four decades.

NASA on Friday issued updates to its "Moon to Mars architecture," its exploration approach which includes Artemis missions to ...

Observations made of Jupiter’s moon Io during the Juno mission’s flybys helped astronomers confirm how and why Io became the most volcanic world in the solar system.

The Earth and moon have been locked in a gravitational dance for billions of years. Each day, as the Earth turns, the moon ...

Asteroid 15 Eunomia is making its way through central Auriga this month, passing numerous deep-sky objects along the way. By ...

Jupiter reaches a stunning opposition, Mars is brilliant, Saturn and Venus light the evening sky, and Mercury rises before ...

Headed to Jupiter’s moon Europa, NASA’s Europa Clipper spacecraft is operating without a hitch and will reach Mars in just ...

Earth’s second satellite, a “Mini Moon,” is leaving orbit Monday after following our planet for approximately two months. The large asteroid, also known as 2024 PT5, is currently two million ...