NASA lost contact with two mini Mars spacecraft and they don't know exactly why - BGR

1. NASA lost contact with two mini Mars spacecraft and they don't know exactly why  BGR
2. NASA's 'WALL-E' satellite mysteriously goes silent and no-one knows why  Fox News
3. After making history, NASA’s tiny deep-space satellites go silent  The Verge
4. The first CubeSats ever to visit Mars have gone silent  Astronomy Magazine
5. MarCo spacecraft unlikely to be heard from again says NASA  SlashGear
6. View full coverage on Google News

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