"This is the most powerful volcanic event ever recorded on the most volcanic world in our solar system — so that's really saying something." ...

For decades, scientists believed that magma chambers beneath volcanoes were transient, forming before an eruption and then ...

But how well do you really know our planetary neighbor? This quiz of 15 questions will test your knowledge of Mars' size, surface and history, as well as scientists' attempts to study it. Remember to ...

NASA’s Juno mission to Jupiter’s moon Io has provided incredible data. A recent flyby revealed the most powerful volcanic event ever recorded on Io, the most volcanic world in our solar system.