magma ocean
Juno Sees a Brand New Volcano on Io
Jupiter's moon, Io, is the most volcanic body in the Solar System. NASA's Juno spacecraft has been getting closer and…
Comparing Two Proposed NASA Missions to Jupiter’s Moon Io
Thanks to NASA's Juno mission to the Jupiter system, we're getting our best looks ever at the gas giant's volcanic…
NASA’s Juno Probe Makes Another Close Flyby of Io
The Juno spacecraft has revealed some fascinating things about Jupiter since it began exploring the system on July 4th, 2016.…
Half of this Exoplanet is Covered in Lava
Astronomers working with TESS (Transiting Exoplanet Survey Satellite) have discovered a planet that's been left out in the Sun too…
Earth is Hiding Another Planet Deep Inside
Earth's early history is marked by massive collisions with other objects, including planetesimals. One of the defining events in our…
The Moon Might Have Formed a Little Later than Originally Believed
A new study indicates that the Moon is actually younger than we thought, and wasn't finished forming until the Earth's…
That Explains a Lot. The Moon’s Largest Crater has a Chunk of Metal Embedded in it That’s 5 Times Bigger than the Big Island of Hawaii
One of the largest craters in the Solar System is on our Moon. It's called the South Pole-Aitken (SPA) basin…