Among the many challenges facing would-be space explorers, from the enormous cost of fuel, the long time periods involved, and the complexity of life-support systems, the physical health of astronauts is perhaps the most overlooked factor. But numerous studies conducted over the years have shown that travel in space – even if in a near-Earth...

When we think of alien cover-ups, most people normally wouldn’t include SETI in the list of shadowy government organizations that could be sitting on the biggest secret in history. But although SETI potentially represents humanity’s best chance of making open contact with an extraterrestrial civilization, its members are surprisingly guarded...

From October 25-31, visitors to Royal Albert Hall in London will be able to have their own encounters with extraterrestrial life. Through a series of exhibits, performances and events, families can engage with a wide range of topics on the theme of outer space, aliens and UFOs. It isn’t clear whether the organizers are going for a mainstream...

Paul Davies is a physics professor and popular science writer with an impressive list of titles to his name. While topics that he has covered include biological evolution and Einstein’s theory of relativity, he has given considerable reflection to the question of extraterrestrial life. As a managing member of the SETI program, Davies has invested...

Within the next decades, advances in scientific observation and technology will enable humanity to begin answering questions that have endured since the beginning of civilization. Among those, how did life first emerge on our planet, could the same process have happened elsewhere, and are we alone in the vast universe? Already, we’ve taken our...

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