Atlas 5 for Mars 2020
The Atlas 5 that will launch NASA's Mars 2020 rover mission arrives at a processing facility at Cape Canaveral in late May. A problem with a crane used for launch vehicle processing has delayed the mission's launch by three days to July 20.

A launch vehicle processing “hiccup” has pushed back next month’s launch of NASA’s Mars 2020 rover mission by three days.

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Jeff Foust has more than a decade of experience writing about space policy, entrepreneurial ventures and regulatory affairs. In 2001, he established spacetoday.net to aggregate and summarize the day's space-related news stories. In 2003, he started The...