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Wolves were reintroduced to Yellowstone National Park two decades ago, and scientists are still keeping a close eye on their ecological impact.
Two days after briefly losing communication with the New Horizons spacecraft as it sped toward the dwarf planet Pluto, the probe’s operators say they understand the root cause of what happened and have taken steps to resume full operations.
Update on the New Horizons mission: Final flight plan approved. Next stop, Pluto!…
Three weeks from a historic flyby of the dwarf planet Pluto, operators of the New Horizons spacecraft are poring over images and data streaming in from the probe to determine if any final trajectory adjustments will be necessary to steer…
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