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EntertainmentPropulsion engine uses air instead of fuel
ESA's new rocket propulsion engine can collect, compress, charge and then release gas molecules, without requiring the use of chemical fuels, Science Alert reported today.NASA develops a solar-powered engine that puts people on Mars
NASA announced today it has signed a three-year contract with a company to develop solar powered propulsion for Mars and other space exploration missions.
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Can carp live 10 years in a tank without feeding?
Why do Italy and Switzerland have to redraw the border?
Japanese bullet train accident-free for 60 years
The world's most crowded apartment building: Can accommodate up to 30,000 people, the view inside is overwhelming
World's oldest wine jar contains cremated human bones
America catches strange signal from 1.3 billion light years away from Earth
Two black holes closest to Earth discovered, of a kind never seen before
Solar sails help spacecraft reach Mars in 26 days
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