The colleges of Geosciences, Liberal Arts, and Science are becoming the College of Arts and Sciences in Fall 2022.As the academic heart of Texas A&M, the College of Arts and Sciences will provide world-class teaching, research, service and resources. Get up-to-date information at
Photo collage with beetle, butterfly, mouse, bat, bird, tissueDoctoral Programs in
Microbiology & Biology
Learn more about our graduate programs
two hands holding watchMolecular and physiological basis
of circadian-metabolic
crosstalk in mammals
Research on the Cutting EdgeSato Lab Research


Photo of Prakruthi Amar kumar

Graduate Student Spotlight: Aditi Raju

This month’s Graduate Student Spotlight highlights Aditi Raju. A student in the Versaw Lab, Aditi works on understanding modulation and consequences of inorganic phosphate (Pi) concentration in chloroplasts of plants. Learn more about Aditi and her graduate experience in this month’s Spotlight!

Outline of human head with rows inside

Nobel Laureate Dr. Michael W. Young Named Visiting Hagler Fellow

The Department of Biology and the Center for Biological Clocks Research are thrilled to welcome renowned circadian biologist and 2017 Nobel Laureate Michael W. Young as a visiting Hagler Fellow. Dr. Young will collaborate with researchers in the College of Arts & Sciences as well as other disciplines across the university.

brain split between night and day with clock icon

Your Body’s Internal Clock Dictates When You Eat, Sleep And Might Have A Heart Attack — All Based On Time Of Day

Your internal clock controls almost everything in your body! Texas A&M Biology Chronobiologist Dr. Shogo Sato explains how this sensitive system affects day-to-day tasks, how misalignment could result in health problems, and how you can change your behaviors to make your internal clock work to your advantage.

arabidopsis cells


Basic biological research has evolved into a broad, fast-paced and dynamic profession that drives newly emerging industries and actively shapes many human endeavors. Both globally and locally, cutting-edge research at Texas A&M University strives to understand the fundamental processes driving life around us and to improve the ways people everywhere manage their health and the health of our planet. The Department of Biology is responsible for research and teaching within the vast disciplines of the biological sciences, from molecular cell biology to ecology and evolutionary biology. Our faculty perform cutting-edge research in a wide array of biological sciences in the laboratory and in the field.


Our Graduate Program in Biology offers a diverse range of integrative training opportunities for students seeking a Ph.D. degree in the biological sciences. We offer training in multiple disciplines within Biology, including Molecular, Cellular and Developmental Biology, Ecology and Evolutionary Biology, Genetics, Genomics and Bioinformatics, Neurobiology and Behavior, Microbiology, Plant Biology, Biological Clocks, Mechanisms of Biological Resilience, and Physiology and Systems Biology. Our graduate students conduct creative, independent research and scholarship. Graduates of our programs prepare themselves for a wide range of career opportunities and gain positions in academic institutions, government agencies, and industry.

student with plants

Professor with student pipetting


The Department of Biology is responsible for introducing biological principles to students in every Texas A&M University major. We provide modern and comprehensive B.S. and B.A. curricula in Biology, Molecular and Cell Biology, Microbiology, Neuroscience, and Zoology for more than 1500 undergraduate biology majors. These degrees prepare students for various life science careers and are an excellent entrée to the health care professions. If you are interested in pursuing a major in one of our disciplines, or if you are currently a student and would like information on courses or the program, we have excellent undergraduate advisors who will be happy to help you.