Mariner 3 was designed to fly by Mars and conduct other interplanetary experiments along the way. Mariner 3 was designed to fly by Mars and conduct other interplanetary experiments along the way.

On Sept. 28, the spacecraft began to use its propulsion system nearly continuously, pausing just once each week to check in ...

This animated orbital-map view shows the route NASA’s Perseverance Mars rover has taken from time of its 2021 landing to Oct.

Antarctica’s Thwaites Glacier pictured in 2014. A new study using a computer model developed by NASA’s Jet Propulsion ...

Caltech graduate students and friends carry out their first rocket firing on Halloween, 1936, in a dry riverbed along which JPL would rise. Their work helped make possible missions such as ...

For decades, many have sought to answer this question. Uncovering the truth not only broadens our understanding of the universe but also has the potential to yield vital information about the ...

The Habitable Exoplanet Observatory (HabEx) is a concept for a mission to directly image planetary systems around Sun-like stars. HabEx will be sensitive to all types of planets; however its main goal ...

Asteroid Redirect Mission Ends Development The Asteroid Redirect Mission was intended to develop a robotic spacecraft to visit a large near-Earth asteroid and collect a multi-ton boulder from its ...

After Surveyor 1's initial studies of the lunar surface in 1966, Surveyor 3 made further inroads into preparations for human missions to the moon. After Surveyor 1's initial studies of the lunar ...

A gallery of different robot types and technologies under development at JPL for the exploration of our solar system.

An overview of solar system missions and research at NASA's Jet Propulsion Laboratory ...