The initial 45-day signaling period to the 14-year-old rover has ended. But NASA said this week it will continue trying to hail Opportunity. The rover has been silent since June, when a Mars dust storm swept over it. Read more.
Earth is not the only ocean world in the solar system. In fact, there are several. A new paper just published in Astrobiology seeks to plan out the best ways to explore these alien oceans. Read more.
The OSIRIS-REx spacecraft - launched from Earth in September, 2016 - has begun acquiring images of the mission target, primitive asteroid Bennu. Read more.
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