Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond ...
Morning Overview on MSN
After 10 years, NASA’s space plane is finally cleared for flight
NASA’s long-promised space plane is finally on the cusp of leaving the runway behind and heading for orbit, a decade after ...
Dark Space Official on MSN
The National Aerospace Plane, how Reagan’s Orient Express sought single-stage access to orbit
In the aftermath of Challenger, the US revived a decades-old dream of a single-stage-to-orbit spaceplane powered by scramjets and advanced materials. The National Aerospace Plane promised routine ...
A collision would occur in just 2.8 days if all satellites lost their ability to dodge each other, highlighting how crowded Earth’s orbit is becoming. In the past seven years, the number of satellites ...
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