Space.com on MSN13h
SpaceX to set new rocket-reuse record on March 21 launch of US spy satellites
A Falcon 9 first stage will fly for the second time in just nine days on Friday (March 21), if all goes according to plan.
Hosted on MSN28d
When a Telescope Is a National-Security Risk
If a near-Earth asteroid comes hurtling right toward us, scientists ... because the telescope has a fixed, 10-year observation plan. Ivezić said he showed it to his government counterparts ...