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 moon Io. Even as Juno provides our best views of…
Polaris, Earth’s North Star, Has A Surprisingly Spotted Surface
Humanity’s been fortunate to have a star situated over Earth’s north pole. The star, known as Polaris, or the North Star, has guided many sailors safely to port. But Polaris…
The Knowledge We Don’t Yet Have
We have gained so much powerful knowledge in the past few hundred years. But there’s still so much that we don’t know. There are limits to our current knowledge of…