Q&A with Jonathan Lunine on Enceladus’ prospects for life

A rover NASA plans to launch to Mars in 2020 will likely explore one of three locations selected last week by a scientific advisory group, which picked candidate landing sites that were once homes to ancient lakes and hot springs.

SpaceX’s Elon Musk spoke with reporters Monday about his company’s plan to launch two space tourists on a loop around the moon in 2018.

Greg Wyler has corralled blue-chip companies to invest in his dream to beam affordable broadband Internet signals around the world, a mission he sees as a prerequisite to providing billions of unconnected, underserved people with the tools necessary to succeed in a modern marketplace of goods, services and information.