Jason-3 Animation

OSTM/Jason-2 Spacecraft

Jason-3 Ready for Launch

Greenland and Antarctica are home to most of the world's glacial ice – including its only two ice sheets – making them areas of particular interest to scientists.

Jason-1 atop the Delta II Photo: Tom Shain

Launching aboard the joint U.S.-European Sentinel-6 Michael Freilich satellite is NASA’s next instrument that will help improve weather forecasting.

Our World: How High is the Ocean?

Recorded live launch broadcast of Sentinel-6 Michael Freilich

Growing up in landlocked Zimbabwe, NASA JPL engineer Shailen Desai was far from the ocean but still experienced its effects on the climate. Now, he is contributing to an international effort to tra...

These photos were taken during the Payload Attach Fitting (PAF) mating operation with Jason-1. (11/14/01) Photos: Scott Michel

This artist's concept shows Jason-3 over the California coast.

Watch the Jason-3 Science Briefing from Friday, Jan 15, 2016 - panelists discussed the science and research of the Jason-3 mission.

Launch preparations are progressing! (11/21/01) Photos: Stacy Mitchell of John Hopkins APL/TIMED project

Jason-1 launch images

Fathoming the forces that determine global sea levels can be daunting. We present a guide to the basics of ocean surface topography.

This video discusses the water cycle, which is the movement of water around the Earth, and its importance to life. Changes to the water cycle affect climate and vice versa.

Spacecraft processing

Jason-1: TRSR instrument

For NASA scientist Severine Fournier, studying our planet knows no borders.

SSH and SST - Indian Ocean

This visualization shows total sea level change between 1992 and 2019, based on data collected from the TOPEX/Poseidon, Jason-1, Jason-2, and Jason-3 satellites. Blue regions are where sea level ha...

Jason-1 in full flight configuration

Jason-3 Lifts Off!

High Resolution Jason-1 launch images

Early morning at the launch pad

Jason-3