artificial satellite

In the dark and boundless space, an artificial satellite that had been missing for 40 years made a spectacular return, leaving scientists around the world shocked and worried.

There are nights when the sky is clear and cloudless, and you look up and see countless sparkling lights, some of which are moving. What are they?

On October 4, 1957, Sputnik 1 was the first object to enter Earth's atmosphere in a controlled fashion.

This small rocket, designed to rapidly deploy and launch from mobile launchers such as ships, carries seven artificial satellites, including one to measure the sea surface wind to

The period from August to September each year is the peak of tropical storms in the North Atlantic and North Pacific.

Vanguard 1, or 1958-002B, is the fourth artificial satellite and has the longest time on Earth orbit, according to the BBC.

Russian Deputy Prime Minister Dmitry Rogozin said that people should put the future international space station on another planet, not on earth orbit as it is today.

A Chinese space expert said yesterday Beijing will launch 20 missiles and 25 artificial satellites into space this year.

Space agencies around the world are concerned that tomorrow's meteor shower could turn into a storm and threaten artificial satellites on Earth orbit.

The earth's low orbital artificial satellites are designed to resist magnetic storms, but their lifespan can be greatly reduced if super storms occur.