BEIJING, May 21 (Xinhua) -- Chinese researchers have developed a comprehensive inventory of methane emissions and found that human activity is the largest contributor.

On the 11th year of China Tourism Day, scientists from the International Centre on Space Technologies for Natural and Cultural Heritage (HIST) under the auspices of UNESCO, and the Aerospace Information Research Institute (AIR) present images of some well-known sceneries of China captured by GF satellites. Let's take a virtual tour of China guided by the unique "eyes" from space.

A high-resolution satellite imaging dataset containing millions of fine-grained objects (FAIR1M) has been launched to promote the development of remote sensing image interpretation technology, according to the Aerospace Information Research Institute (AIR), Chinese Academy of Sciences.

China designated April 24 as Space Day in 2016 to mark the anniversary of the country's first satellite launch, Dongfanghong-1 in 1970. Since then, China has achieved multiple milestones in space.

The World Earth Day, which falls on April 22 every year, is a global campaign specially set up for world environmental protection, aiming at raising people's awareness of existing environmental problems, mobilizing people to participate in environmental protection campaigns, and improving the overall environment of the Earth through green and low-carbon life.

BEIJING, March 22 (Xinhua) -- The lander and the rover of the Chang'e-4 probe have been switched to dormant mode for the lunar night after working stably for a 28th lunar day, according to the Lunar Exploration and Space Program Center of the China National Space Administration.