Q&A with Andrew Driesman, project manager for Parker Solar Probe (members only)

Mexico’s advanced mobile communications satellite launched last month for humanitarian and national security uses has successfully blossomed in space.

A Chinese rocket placed three experimental military surveillance satellites in orbit Friday, the second set of related triplets launched in less than two months.

Two months after a first test-firing ended prematurely, NASA plans to ignite the core stage of the first Space Launch System heavy-lift rocket again Thursday for an eight-minute burn to confirm it is ready for shipment to the Kennedy Space Center for launch preparations.