Science fiction revisited: Ramjet propulsion

In science fiction stories about contact with extraterrestrial civilisations, there is a problem: What kind of propulsion system could make it possible to bridge the enormous distances between the stars? It cannot be done ...

Japanese space tourists safely return to Earth

A Japanese billionaire, his producer and a Russian cosmonaut safely returned to Earth on Monday after spending 12 days on the International Space Station.

Interview: Japanese tourist says space trip 'amazing'

A Japanese space tourist on Monday rejected criticism from those who questioned his decision to pay a fortune for a trip to the International Space Station, saying the "amazing" experience was worth it.

Microbes and viruses: A threat to Mars?

The Atacama Desert stretches along Chile's Pacific coast over 100,000 square kilometers. It is one of the most arid places in the world. Annual precipitation averages 0.5 mm, which is less than for the Death Valley in California.

Virgin Galactic has sold 100 more space tickets

Virgin Galactic has sold around 100 tickets since flying its founder Richard Branson to space last summer, with commercial services expected to begin by the end of 2022, the company said in its financial results Monday.

Death in space: Here's what would happen to our bodies

As space travel for recreational purposes is becoming a very real possibility, there could come a time when we are traveling to other planets for holidays, or perhaps even to live. Commercial space company Blue Origin has ...

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