QuickTime VR of TOPEX/Poseidon

A look at how NASA is dealing with the threat of sea level rise to its coastal infrastructure.

This artist's concept show Jason-3 over France.

NASA and its U.S. and international partners have teamed up to launch a new Earth-observing satellite called Sentinel-6B that will measure sea surface height of most of the planet’s ocean. These ob...

Jason-1 launch images

For NASA JPL engineer Parag Vaze, studying Earth’s rising ocean has been a career three decades in the making.

On Aug. 26, 2015 at 9:30 a.m. PT, NASA hosted a media teleconference to discuss recent insights on sea level rise and the continuing challenge of predicting how fast and how much sea level will ris...

The Jason-3 satellite, launched on January 17, 2016, is allowing scientists to continue a 23-year record of crucial ocean monitoring.

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

Jason-1: LRA instrument

The joint U.S.-European Sentinel-6 Michael Freilich is the next in a line of Earth-observing satellites that will collect the most accurate data yet on sea level and how it changes over time. With ...

Jason-1 launch images

Jason-1 readies for launch in its bay at Vandenberg, AFB (10/31/01)

Jason-CS/Sentinel-6 - How they will work

Jason-1 Line Drawing

Jason-1: TRSR instrument

Mike Davis in front of the faring

The Argo stop-motion animation aims to inspire children (and adults) to engage with marine science. It is quirky, fun and informative at the same time. The animation explains what an Argo float is,...

SSH and SST - Indian Ocean

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

TOPEX/Poseidon Artist's Concept

Jason-1 launch images

Jason-1 Lithograph

Jason-1 Poster

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

The SpaceX Falcon 9 with the Sentinel-6 Michael Freilich satellite is lifted to vertical at Space Launch Complex 4