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Articles on Satellites

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Damaged radar arrays and other equipment is seen at a Ukrainian military facility outside Mariupol, Ukraine, Feb. 24, 2022. AP Photo/Sergei Grits

Russia invades Ukraine – 5 essential reads from experts

As war begins between Ukraine and Russia, a range of stories provides context to help readers understand the conflict.
The International Space Station is a great example of how space has, for the most part, been a peaceful and collaborative international arena. NASA Marshall Spaceflight Center/Flickr

Space law hasn’t been changed since 1967 – but the UN aims to update laws and keep space peaceful

Activities in space today are far more numerous and complicated compared to 1967, before humans had landed on the moon or Elon Musk had been born. Two experts explain the need for better laws to keep space peaceful.
If a satellite is destroyed, the debris fans out in orbit and poses serious threats to other satellites or crewed spacecraft. ESA/ID&Sense/ONiRiXEL via WikimediaCommons

Russian anti-satellite weapon test: What happened and what are the risks?

Russia destroyed one of its old satellites during a successful test of an anti-satellite weapon. A space security expert explains what this weapon was and the dangers of the expanding debris field.
Thousands of the satellites orbiting Earth are small – like this cubical satellite seen here being released from the International Space Station. NASA

How many satellites are orbiting Earth?

In the past decade, the number of satellites in orbit has skyrocketed thanks to tiny electronics and cheap launches. The crowded night sky is posing problems for astronomers and astronauts.

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