主讲《大学物理》、《大学物理实验》、《电磁场与电磁波》、《天体物理导论》、《认知宇宙》《从爱因斯坦到霍金的宇宙》等本科课程；《恒星结构与演化》、《星系天文学》，《linux 系统及IDL程序设计》等研究生课程。指导学生毕业设计获省优1人，校优2人。指导学生参加全国大学生FPGA创新设计竞赛获3等奖1组，蓝桥杯全国软件和信息技术专业人才大赛获省赛二等奖1组，校大学物理实验创新大赛获二等奖2组。

1.基于LAMOST和SDSS观测的天琴座RR变星研究银晕的形成和演化，U1731108，国家自然科学基金联合基金，42万，2018 - 2020. 项目主持人。
2.年龄微分法测哈勃参量及其对宇宙学模型和参数的限制,11303020,国家自然科学基金青年基金, 26万，2014 - 2016. 项目主持人。
3.天琴座RR变星的奥斯特霍夫双分性研究，湖北省自然科学基金面上项目，5万，2023 - 2025，项目主持人。
4.天琴座RR变星搜寻及性质统计研究，教育部重点实验室开放基金。2.5万，2022-2023，项目主持人。
5.E+A星系的物理特性研究，三峡大学青年科学基金，6万，2015-2017，项目主持人。
6.第六届天文学科发展论坛，国家自然科学基金专项，6万， 2024-2024，项目参与者。
7.暗弱天体自行星表GPS2的构建及其在恒星年龄精确测量中的应用，国家自然科学基金面上项目，63万，2019-2022, 63万元，项目参与者。
8.大视场高时间分辨率光学巡天图像处理相关关键技术研究. 国家自然科学基金联合基金，35万，2014-2017， 项目参与者
9.红外亮活动星系核演化研究，11203033，国家自然科学基金青年基金，21万，2013-2015年，项目参与者。
10.活动星系核和超亮源的X射线辐射性质以及多波段关联研究，11003022，国家自然科学基金青年基金，20万，2010-2013年，项目参与者。
          

代表性论文：
(1)Liu, G-C; Huang, Y. ; Zhang, H-W; Xiang, M-S; Ren, J-J; Chen, B-Q; Yuan, H-B; Wang, C.; Yang, Y.; Tian,Z-J; Wang, F.; Liu, X-W ; Probing the Galactic Halo with RR Lyrae Stars. I. The Catalog, ApJS, 2020, 247, 68
(2) Liu, G-C; Huang, Y; Bird, S -A; Zhang, H-W; Wang, F; Tian, H-J; Probing the Galactic halo with RR Lyrae stars -III. The chemical and kinematic properties of the stellar halo, MNRAS, 2022, 517, 2787
(3) Wang, F; Zhang, H-W; Xue, X-X; Huang, Y; Liu, G.-C; Zhang, L; Yang, C –Q; Probing the Galactic halo with RR Lyrae stars - II. The substructures of the Milky Way, MNRAS, 2022, 513, 1958
(4) Zhang, S; Liu, G-C; Huang, Y; Lv, Z-F; Bird, S -A; Chen, B-Q; Zhang, H-W; Beers, T-C; Li, X-Y;Tian, H-J; Zhang, P; Probing the Galactic halo with RR Lyrae stars–IV. On the Oosterhoff dichotomy of RR Lyrae stars, MNRAS, 2023, 525, 5915
(5) Cabrera Garcia, J; Beers, T-C; Huang, Y; Li, X-Y; Liu, G-C; Zhang, H-W; Hong, J; Lee, Y-S; Shank, D; Gudin, D; Hirai, Y; Komater, D; Probing the Galactic halo with RR Lyrae stars - V. Chemistry, kinematics, and dynamically tagged groups, MNRAS, 2024, 527, 8973
(6)Yue Huang, Min Fang, Gaochao Liu, Xianzhong Zheng, Sarah Ann Bird, Yang Huang, Jianrong Shi, Jiangtao Wang, Huawei Zhang, Haijun Tian, and Haotong Zhang. Probing the Galactic Halo with RR Lyrae Stars. VI.The Radial Velocity Curve Templates of RRc Stars. 2024, RAA, 24, 5009
(7) Li, X-Y; Huang,Y; Liu, G-C; Beers, T-C; Zhang, H-W; Photometric metallicity and distance estimates for ~136,000 RR Lyrae stars from Gaia DR3, ApJ, 2023, 944, 88
(8) Huang, Y ; Chen, B-Q; Yuan, H-B; Zhang, H-W; Xiang, M-S; Wang, C; Wang, H-F; Wolf, C; Liu, G-C; Liu, X-W ; Milky Way tomography with the SkyMapper Southern Survey. I. atmospheric parameters and distances of one million Red Giants, ApJS, 2019, 243, 7
(9) Qiu, D; Tian, H-J; Wang, X-D; Nie, J-L; von Hippel, T; Liu, G-C; Fouesneau, M; Rix, H-W; Precise ages of field stars from white dwarf companions in Gaia DR2, ApJS, 2021, 253, 58
(10)Tian, Z-J; Liu, X-W; Yuan, H-B; Fang, X; Chen, B-Q; Xiang, M-S; Huang, Y; Bi, S-L; Yang, W-M; Wu, Y-Q; Wang, C; Zhang, H-W; Huo, Z-Y; Yang, Y; Liu, G-C; Guo, J-C; Zhang, M; A catalog of RV variable star candidates from LAMOST, ApJS, 2020, 249, 22 
(11) Wang, F; Tian, H-J; Qiu, D; Xu, Q; Fang, M; Tian, H; Li, D; Bird, S; Shi, J-R; Fu, X-T; Liu, G-C; Cui, S; Zhang, Y; The stellar ‘Snake’ – I. Whole structure and properties, MNRAS, 2022, 513, 503
(12) Ren, J-J; Liu, X-W; Chen, B-Q; Xiang, M-S; Yuan, H-B; Huang, Y; Zhang, H-W; Wang, C; Tian, Z-J; Liu, G-C; Wu, H; Mapping the emission line strengths and kinematics of supernova remnant S147 with extensive LAMOST spectroscopic observations, RAA, 2018, 18, 9
(13) G. C. Liu,  Y. J. Lu,  L. Z. Xie,  X. L. Chen and Y. H. Zhao，Quiescent luminous red galaxies as cosmic chronometers:on the significance of mass and environmental dependence。A&A 2016, 585A, 52L.
(14) Gaochao Liu, Study on the Star Formation of Early-type Galaxies and its Cosmology Application. PASP.2014,126,936
(15) Gaochao Liu,Youjun Lu,Xuelei Chen, Wei Du and Yongheng Zhao ,On the Full Spectrum Fitting of LRGs Using ULySS and Starlight. RAA ,2013, ,13,9
(16)Gaochao Liu, Youjun Lu, Xuelei Chen, Yongheng Zhao, Wei Du, and Xianmin Meng，The Age-Redshift Relation For Luminous Red Galaxies Obtained From Full Spectral Fitting And Its Cosmological Implications, APJ, 2012,758, 107
(17) Xiong, Z.; Zhang, P. ; Yang, X. M. ;Liu, G. C. ;Liu, D. ;Li, J. P. ; Tian, H. J.Performance Comparison of Three Clustering Algorithms in Open Cluster Member Star Identification. Acta Astronomica Sinica, 2025, 66, 2 
(18) Yan, Y. K. ; Zhang, P. ; Liu, Q. Z. ; Chang, Z. ; Liu, G. C. ; Yan, J. Z. ; Zeng, X. Y. An X-ray high-frequency quasi-periodic oscillation in NGC 1365. A&A, 2024, 691,7 
(19) Sun, Shenglan; Wang, Fei; Zhang, Huawei; Xue, Xiang-Xiang; Huang, Yang; Zhang, Ruizhi; Rix, Hans-Walter; Li, Xinyi; Liu, Gaochao; Zhang, Lan; Yang, Chengqun; Zhang, Shuo. Identifying Galactic Substructures in 5D Space Using All-sky RR Lyrae Stars in Gaia DR3. ApJ, 2025, 979, 213
(20) Shun-Xuan He, Yang Huang , Xin-Yi Li, Hua-Wei Zhang, Gao-Chao Liu, Timothy C. Beers, Hong Wu, and Zhou Fan, Photometric Metallicity and Distance Estimates for ∼70,000 RR Lyrae Stars from the Zwicky Transient Facility. ApJS, 2025, 278, 2

三峡大学优秀教师，三峡大学优秀共产党员，三峡大学首届微课教学比赛二等奖，北京大学科研成果奖。