TOPEX/Poseidon Ground Tracks

For over 20 years NASA has been tracking the global surface topography of the ocean in order to understand the important role it plays in our daily lives. Climate change is causing our Ocean to war...

Ice covers 10 percent of Earth's surface and helps moderate the planet's temperature.

This is an artist's concept of the Sentinel-6 Michael Freilich spacecraft.

Jason-3 Satellite Prepared For Launch

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

A SpaceX Falcon 9 rocket lifts off from Space Launch Complex 4 at Vandenberg Air Force Base carrying the Jason-3 spacecraft. Liftoff was at 10:42 a.m. PST (1:42 p.m. EST).

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

This illustration shows the Sentinel-6 Michael Freilich spacecraft in orbit above Earth with its deployable solar panels extended.

Jason-1: JMR instrument

Recorded live launch broadcast of Sentinel-6 Michael Freilich

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

Sea levels across the globe are rising as a result of a changing climate — and the rate at which they are rising is accelerating. NASA Science Live was recorded Tuesday, Nov. 17, 2020, and featured...

Ariane 42P launch vehicle

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

Jason-1 launch images

High Resolution Jason-1 launch images

Recorded live broadcast of Sentinel-6B, launched at 9:21 p.m. PST, Sunday, Nov. 16 (12:21 a.m. EST, Monday, Nov. 17) aboard a SpaceX Falcon 9 rocket from Vandenberg Space Force Base in California.

NASA Climate Watcher Waves Goodbye

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

Jason-1 Lithograph

Sentinel-6 Michael Freilich Launch footage

Jason-1 Artists Concept

Jason-1 Launch - Artists Concept

Sea Surface Height - Global Average from 1993 - 2011.

In many communities in the U.S., sea level rise is already a factor in people’s lives in the form of high-tide flooding.