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.

A recent study found that the water of 70 percent of the 165 large lakes in China has become clearer in the past 20 years. The study, conducted by scientists at the Chinese Academy of Sciences (CAS), observed and recorded the color and transparency variations of the worlds' 1,049 large lakes and reservoirs with an area of 25 square kilometers or above between 2000 and 2018.

BEIJING, Feb. 9 (Xinhua) -- More than one-third of hundreds of 25-square-km and above lakes in the world have become clearer over the past 20 years, according to a new study published online in the journal Scientific Data.

BEIJING, Jan. 22 (Xinhua) -- China has collected around 100PB (about 100 million GB) of Earth observation data, according to the Aerospace Information Research Institute (AIR) under the Chinese Academy of Sciences (CAS).