A failed launch left a batch of Starlink satellites in the wrong orbit last year, and it appears that a fragment of one fell ...

Magdrive is working on three versions of its space thrusters, and because they run on solid metal, they might one day even be powered by space junk collected directly in orbit, turning it from threat ...

Starlink is the name of a satellite network developed by the private ... who fear that the bright, orbiting objects will interfere with observations of the universe, as well as spaceflight safety ...

A new study finds that climate change is already causing all sorts of problems on Earth, but soon it will be making a mess in ...

Many space people are worried about a space junk catastrophe called the Kessler Syndrome. Lower orbits reduce the risk of the Kessler syndrome. Here are considerations of fuel needs and aerodynamic ...

New data from a constellation of satellites 250 miles above Earth’s surface shows how solar and wind have taken off in recent ...

Both geostationary and polar orbiting satellites collect data in the visible and infrared regions. There are polar satellites collecting data in the microwave range.

There are 11,905 satellites circling Earth — 7,356 in low orbit — according to the tracking website Orbiting Now. Satellites are critical for communications, navigation, weather forecasting ...

About a fifth are inactive, simply orbiting as as space junk ... and eventually to de-orbit themselves. The majority of satellite propulsion systems are currently either chemical or electrical ...

Climate Change, Already Causing Problems on Earth, Could Soon Create a Mess for Orbiting Satellites Climate change is already causing all sorts of problems on Earth, but soon it will be making a ...