A SpaceX Falcon 9 rocket will launch Luxembourg's National Advanced Optical System spacecraft and several smaller satellites to orbit from California today (Aug. 26), and you can watch live.
Jupiter holds secrets at its heart that continue to puzzle scientists. The largest planet in our Solar System has what researchers call a "dilute core,” a central region that doesn't have sharp boundaries like once expected. Instead of a distinct rocky centre surrounded by layers of gas, Jupiter's core gradually blends into the hydrogen-rich layers above it, creating a smooth transition zone.

