It isn't easy getting a rover the size of a small automobile down on the surface of another planet, even if you have been there before.

Ground-based space radar will sit under Chinese launch paths

Contract-tower program supporters are appealing to the FAA to limit the number of airport tower closures set to start April 7 due to across-the-board budget cuts. Senate leadership rejected the efforts of Sen. Jerry Moran (R-Kan.) to keep the FAA from closing up to 189 contract towers and restore funding for the program in a short-term spending bill that passed Congress last week.

Helicopter upgrades breathe new life into old fleets

Each year, in addition to naming Laureates, Aviation Week honors outstanding cadets at U.S. military academies as Tomorrow's Leaders. The awards are sponsored by BAE Systems. This year, four cadets were named and recognized at the Laureates gala by Aviation Week President Greg Hamilton.

The final chapter has apparently opened in the turf war among national security agencies over which should control the most prominent weapon system in use since the 9/11 terrorist attacks.

Is not rushing to secure longer-term, more efficient deals

Australia's startup satellite operator NewSat will launch the Jabiru-1 satellite in early 2015 after spending several months finalizing more than $400 million in export-credit-agency financing.