Jason Steffen

Assistant Professor of Physics and Astronomy
Expertise: Astronomy, Exoplanets, Cosmology, Dark matter and energy, Gravitation, General physics

Biography

Jason Steffen works in the field of exoplanets — planets that orbit distant stars. He has been a member of the science team for NASA's Kepler mission.  He continues to analyze data from that mission to understand the properties of planets and planetary systems. He also worked on projects related to dark matter, dark energy, and gravity.

Steffen is originally from Utah and attended graduate school in Seattle. Before coming to UNLV, he was the Lindheimer Fellow at Northwestern University and the Brinson Fellow at Fermilab outside of Chicago.

In addition to his work in astrophysics, he is known for the Steffen Method, a procedure to efficiently board passengers on an airplane.

Education

  • Ph.D. in Physics, University of Washington, Seattle
  • B.S. in Physics and Mathematic, Weber State University

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Jason Steffen In The News

Vietnam.vn
One of the most notable astronomical phenomena of the year will occur in the early morning of August 13th (Vietnam time), when the Moon will pass between the Earth and the Sun, creating a total solar eclipse.
New York Post
Stargazers are over the moon. On August 12, the skies will be shrouded in a moon shadow due to a solar eclipse that will be visible in Europe, Canada and parts of the Northern US.
National Geographic
Here’s where the August 12 eclipse will be visible, what viewers can expect—and why even a partial eclipse requires proper eye protection.
Science Blog
Ask people why summer is hot, and a lot of them give the same answer: Earth must be closer to the Sun.The truth runs exactly backwards from the hunch.

Articles Featuring Jason Steffen

springtime bees
Campus News | May 1, 2026

A flowery collection of top headlines featuring UNLV faculty and students.

spring campus
Campus News | April 1, 2026

Some of the most vibrant headlines featuring UNLV faculty and students.

Campus landscape
Campus News | March 3, 2026

Some of the hottest headlines featuring UNLV faculty, staff, and students.

Some early studying during the opening week of the Spring 2026 semester (Josh Hawkins/UNLV).
Campus News | February 3, 2026

A look at some of the most eye-grabbing headlines featuring UNLV faculty, staff, and students.