Efforts intensify to revive the Opportunity rover, silent on Mars since June 2018; the InSight lander deploys instruments to study the Martian interior at Elysium Planitia and New Horizons completes its successful flyby of Ultima Thule, the most distant object ever visited.
Further Reading
New Horizons’ Newest and Best-Yet View of Ultima Thule
Opportunity Updates
NASA’s InSight Places First Instrument on Mars