December 2018
Comet 46P/Wirtanen Visible Just After Dusk
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Comet 46P/Wirtanen will make its closest approach to the sun, and it will be visible to the naked eye just after dusk. More info...
Find out more »ISS Expedition 57-58 Change of Command Ceremony
International Space Station Change of Command Ceremony
Find out more »ISS Expedition 57 Farewells & Hatch Closure
Coverage of the ISS Expedition 57 Farewells and Hatch Closure (Hatch closure scheduled at 5:30 p.m. EST) Webcast
Find out more »ISS Expedition 57 Undocking
Coverage of the undocking of the Space Station Expedition 57 crew; undocking scheduled at 8:40 p.m. EST. Webcast
Find out more »ISS Expedition 57 Deorbit Burn & Landing
Coverage of the Deorbit Burn and Landing of the ISS Expedition 57 Crew on Soyuz MS-09 in Kazakhstan (Prokopyev, Gerst, Aunon-Chancellor; deorbit burn scheduled at 11:10p.m. EST; landing scheduled at 12:03 a.m. EST on Dec. 20) Webcast
Find out more »January 2019
NASA’s New Horizons Reaches Ultima Thule
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NASA's New Horizons spacecraft, which flew by Pluto in 2015, will reach its next target: Ultima Thule
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