Elon Musk's SpaceX is set to launch a Falcon 9 rocket from Cape Canaveral, Florida. Here are best places to watch liftoff and what time to stream it.

The company is seeking F.C.C. approval to test an idea to reflect sunlight to Earth at night, possibly powering solar panels. Critics say it could be bad for people and wildlife.

Look up on a clear night and you'll see the streaks of our new space age. What you don't see is the growing fallout for the atmosphere that keeps us alive.

A SpaceX Falcon 9 rocket created a massive, glowing formation in the night sky that witnesses described as a giant “jellyfish ...

Florida's early morning sky was home to more than just the sun on March 4. Watch as a SpaceX rocket creates a "jellyfish" in real time.