Unisa Astronomy researcher wins prestigious fellowship for her work on star formation

What determines where and how stars are born? Does a star-forming cloud’s location within the Milky Way influence the formation of new stars? These are among the questions driving University of South Africa (Unisa) doctoral candidate Annarien Headley’s research into one of astronomy’s most fascinating processes. 

Her dedication to understanding star formation has now earned her national recognition through the South African Women in Science Awards (SAWiSA) DSTI-Prof Keolebogile Motaung Doctoral Fellowship. The fellowship recognises emerging women researchers whose scientific contributions demonstrate excellence and the potential to inspire future generations. For Headley, who is pursuing her PhD in Astrophysics through Unisa’s College of Science, Engineering and Technology (CSET), the recognition represents an important milestone in an academic journey shaped by curiosity, perseverance and a passion for understanding the universe. 

Headley’s research focuses on star formation, particularly the processes occurring within molecular clouds, the dense regions of gas and dust where new stars develop. Using infrared and optical observations, she investigates how star formation varies between individual molecular clouds located in different parts of the Milky Way. “The aim is to determine whether the large-scale environment of the Milky Way influences star formation on a localised level. In other words, I am interested in understanding whether where a molecular cloud is located within our galaxy affects how stars form within it,” she explains. 

Understanding these processes is important because stars play a fundamental role in the evolution of galaxies and the formation of the chemical elements that make up planets and other celestial objects. By examining how different galactic environments influence star formation, Headley’s research could contribute to a broader understanding of the physical processes that shape the Milky Way. Her fascination with astronomy began during childhood, when she became curious about how stars form and the forces responsible for shaping the universe. 

That curiosity continues to motivate her research. “The more we learn about star formation, the more questions emerge and I find that process of asking questions and trying to understand something that we cannot directly observe very exciting,” she says. For Headley, the opportunity to investigate unanswered questions is one of the most rewarding aspects of scientific research. Headley began her university studies at the University of KwaZulu-Natal, where she completed a BSc M-Stream, BSc Honours and MSc in Astrophysics. 

After completing her master’s degree, she stepped away from academia and spent three years working professionally. In 2024, she returned to pursue her doctorate at Unisa under the supervision of Distinguished Prof James Chibueze. Her decision to resume her studies reflects a determination to continue developing her scientific expertise despite taking a different academic path from many of her peers. The experience has also shaped her perspective on postgraduate education, particularly the importance of recognising that academic progress does not always follow a predictable timeline. 

Headley’s research and commitment were recognised when she received the SAWiSA DSTI-Prof Keolebogile Motaung Doctoral Fellowship. The fellowship honours the legacy of the late Prof Keolebogile Motaung, a South African biomedical scientist known for her research in tissue engineering, medicinal plants and the development of innovative health-related products. Motaung’s work included the development of La-Africa Soother, a plant-based anti-inflammatory cream, demonstrating how scientific research can be translated into practical applications. 

Headley says receiving the fellowship came as a surprise. “When I first found out that I had received the award, I was honestly shocked. A part of me did not feel that I deserved it, so it took some time for the significance of the achievement to sink in,” she recalls. Beyond the financial support, she views the recognition as an acknowledgement of the effort invested in her academic development. “For me, this award represents much more than financial support. It feels like a physical recognition of the hard work, perseverance, pain, sweat and tears that have gone into my studies over the past 12 years,” she says. 

“There have been many difficult moments along the way, and receiving this award reminded me that the journey has meaning and that the work I am doing has value.” She also draws inspiration from Motaung’s legacy, particularly her ability to use research to advance knowledge, develop practical solutions and create opportunities for others. Headley was nominated for the fellowship by her supervisor, Distinguished Prof Chibueze, who praised her academic capabilities, technical skills and commitment to her research. 

“Thriving in a male-dominated field of Astronomy and Astrophysics requires a lot of effort. Therefore, Mrs Headley’s diligence can be seen in all she does to balance family life and the demands of PhD research in astrophysics. She is academically sound and possesses good technical abilities,” he says. For Headley, the award has reinforced her responsibility to encourage other young women to pursue careers in science, particularly in disciplines where women remain underrepresented. She hopes her achievement will demonstrate that women have an important place in astronomy and astrophysics and that their contributions are essential to advancing scientific knowledge. 

Her recognition also reflects Unisa’s commitment to developing research talent and strengthening participation in science, technology, engineering and mathematics (STEM). The achievement aligns with Sustainable Development Goal (SDG) 4, which promotes quality education and lifelong learning, and SDG 5, which advances gender equality and women’s participation in scientific and professional fields. It also supports Unisa’s Space Studies Catalytic Niche Area, which promotes research and innovation in astronomy, astrophysics and related space sciences. 

By developing specialised scientific expertise, research initiatives such as Headley’s contribute to South Africa’s broader ambitions in science and innovation, while strengthening Africa’s participation in global astronomical research. Reflecting on her journey, Headley encourages postgraduate students to approach research with curiosity, confidence and patience. She believes students should never feel embarrassed about asking questions, even when they appear simple. “Be brave enough to ask questions, even when you are worried that they are too small or that you should already know the answer,” she advises. 

She also cautions against comparing academic journeys, explaining that postgraduate studies involve periods of progress, uncertainty and setbacks. “I also encourage young scholars not to measure their journey against someone else’s. A master’s or PhD can look very different for different people, and there will be periods when you feel like you are making enormous progress and other periods when you feel as though nothing is working,” she says. Having taken a break from academia herself, Headley believes that stepping away from one’s studies should not be viewed as failure. 

“There will also be times when you need to take a break from your studies. I took a break myself, and I don’t think that should define you or discourage you from returning later,” she explains. She emphasises that research requires persistence, particularly when experiments, analyses or academic work do not produce the expected results. “I have learnt that perseverance is just as important as ability. There will be setbacks, difficult papers, analyses that need to be redone and moments when you question whether you can finish.” For Headley, these experiences are part of becoming a researcher rather than evidence of inadequacy. 

Headley’s advice to postgraduate students extends beyond academic achievement. She encourages them to approach their work with integrity, honesty and dedication while recognising the importance of personal well-being and maintaining relationships outside academia. “Your degree is important, but it is only one part of who you are,” she says. She also encourages students to celebrate small achievements and remain open to opportunities that may emerge from their academic experiences. “Completing a master’s or PhD can open doors that you cannot yet see, and the skills you develop along the way can be used in many ways. Your research journey does not have to define the rest of your career for it to be worthwhile,” she concludes. 

As Headley continues investigating the mysteries of star formation, her achievement demonstrates the value of scientific curiosity, perseverance and creating opportunities for women to contribute to research. Through her work, she is contributing to Unisa’s growing research profile while helping advance our understanding of the galaxy we call home. 

Her journey also carries an important message for aspiring scientists: the pursuit of knowledge is rarely straightforward, but determination, curiosity and the willingness to keep asking questions can lead to discoveries and opportunities far beyond what one initially imagines. 

* By Mpho Moloele, PR and Communications, Department of Research, Innovation and Commercialisation