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This graphic shows the closest approaches of Cassini's final two orbital phases. Ring-grazing orbits are shown in gray (at left); "Grand Finale" orbits are shown in blue. The orange line shows the spacecraft's Sept. 15, 2017, final plunge into Saturn. NASA/JPL-Caltech

NASA is expected to preview the final months of the Cassini spacecraft Saturn mission during a news conference Tuesday at 3 p.m. EDT. Cassini has been traveling and exploring for two decades and has reached its final days.

The craft will spend the next five months sending data back to Earth on its final flyby of Titan, Saturn's largest moon, and dives it will complete between the planet and its rings. It will then burn up in Saturn's atmosphere in its final mission.

Read: NASA's Cassini Will Burn Up In Saturn's Atmosphere In 'Grand Finale': Images From Its Mission

The news conference will be held at NASA's Jet Propulsion Laboratory in California and the panelists involved are Jim Green, director of NASA's Planetary Science Division, Earl Maize and Linda Spilker, Cassini project managers, and Joan Stupik, Cassini guidance and control engineer.

Watch the NASA Saturn news live stream below:

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