Indian Space Research Organisation (ISRO) first dedicated multi-wavelength space observatory surpasses another full year in space today, launched 2015.

First solar observatory for China known as CHASE or Xihe / 羲和 surpasses another full year in space since launching...

NASA spacecraft mapping boundary between the Solar System and interstellar space surpasses another full year in space; launched on this...

European Space Agency / JAXA Mercury Planetary Orbiter (MPO) and Mercury Magnetospheric Orbiter (dubbed Mio ‘waterway or fairway’) surpasses another...

NASA spacecraft surpasses another full year in orbit around Mars today, holds record for longest-surviving continually active spacecraft in orbit...

NASA craft imaging Sun and solar phenomena surpasses another full year in space today; launched 2006.

NASA veteran spacecraft with 2.4-meter mirror could continue operations into this decade and beyond; launched April 24, 1990.