Ralph Lorenz head shot

Ralph Lorenz

Planetary Scientist, Johns Hopkins University Applied Physics Lab

Latest Articles

Back from the Brink: Akatsuki Returns to Venus

Perhaps forgotten by the general public in the West, a long-lost spacecraft is set to enter orbit around our sister planet in December, picking up where ESA’s Venus Express left off when its operations ended last year.

Detecting Dust Devils with Insight

Planetary scientist and dust devil expert Ralph Lorenz describes how the upcoming Mars InSight lander's sensitive seismometer might be able to detect dust devils.

A Roundup of Dust Devil Research

Planetary scientist Ralph Lorenz briefs us on the current state of our knowledge on dust devils on Earth and Mars.

Latest Planetary Radio Appearances

Cassini’s Dramatic End: A Planetary Radio Reprise

We were there when the Cassini spacecraft ended 13 years of exploration and revelation at Saturn.

Long Live Cassini!

Join us at JPL and Caltech on the bittersweet morning the Cassini spacecraft plunged into Saturn.

Ralph Lorenz and Titan Unveiled

Ralph Lorenz and Titan Unveiled