This interactive 3D tool shows where the European Space Agency's comet-chasing Rosetta spacecraft is on any given day – from launch in 2004 to the end of its nominal mission in 2015.

Get the latest space exploration, innovation and astronomy news. Space.com celebrates humanity's ongoing expansion across the final frontier.

微科普是专注于科普知识传播的高层次科普媒体，以成为中国科普网站中的一面镜子为出发点，提供负责、有趣、权威的科普知识，在中国科普群体中有着良好声誉和重要影响。

知识科学松鼠会是一个汇聚了当代最优秀的华语青年科学传播者的非营利机构，旨在“剥开科学的坚果，帮助人们领略科学之美妙”。

全台最大科學知識社群

中国数字科技馆是中国科协、教育部、中科院共建的一个基于互联网传播的国家级公益性科普服务平台

交互式的周期表在动态的布局里展现名字,电子,曲线,轨道,同位素,搜索.全面的描述.

生物谷，中国专业的生物医药学网站，提供生物医药领域的资讯信息，以及与生物产业，新药开发，生物医药行业报告，生物医药人才招聘等综合服务。

Astronomical simulator and predictor of planet orbits

Drag and drop countries around the map to compare their relative size. Is Greenland really as big as all of Africa? You may be surprised at what you find! A great tool for educators.

NASA brings you images, videos and features from the unique perspective of America's space agency. Get updates on missions, watch NASA TV, read blogs, view the latest discoveries, and more.