A SpaceX rocket launched, released a satellite, and landed perfectly overnight

While much of the United States was either sleeping or winding down their Saturday evening, SpaceX was keeping busy.

The aerospace company sent one of its Falcon 9 rockets skyward at around 12:30 a.m. ET in an overnight launch that ferried a hefty Sirius XM satellite, dubbed SXM-8, into Earth's orbit. It was a smooth 125th...