The Planetary Science Institute celebrated the end of another calendar year with long-held traditions: the annual holiday party and a game of Yankee Trader. CEO Mark Sykes hosted the gathering at his ...

A mysterious object discovered in the main asteroid belt in 2021 was determined to be a main-belt comet by Planetary Science Institute Senior Scientist Henry Hsieh, Scott Sheppard of the Carnegie ...

Impact craters form when huge asteroids or comets, sometimes kilometers in size, hit the surface of a planetary body. Images of various planets and moons in the solar system show thousands and ...

PSI is a nonprofit 501(c)(3) corporation, and an Affirmative Action/Equal Opportunity Employer, including disability/veterans.

From Nov.1-3, Planetary Science Institute Research Scientist Jamie Molaro hosted 30 people for the “Making Space: A Workshop on Space, SciArt, & Society” in Pasadena, CA. The theme was Chronology, ...

PSI is a nonprofit 501(c)(3) corporation, and an Affirmative Action/Equal Opportunity Employer, including disability/veterans.

PSI is a nonprofit 501(c)(3) corporation, and an Affirmative Action/Equal Opportunity Employer, including disability/veterans.

PSI is a nonprofit 501(c)(3) corporation, and an Affirmative Action/Equal Opportunity Employer, including disability/veterans.

Friends and colleagues gathered in the East wing conference room on Thursday, Nov. 21 to celebrate Alan Fischer’s more than 14 years as the Planetary Science Institute’s Public Information Officer and ...