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How big is the universe? What is it made of? Are we alone? Questions like these have inspired amazing discoveries that have transformed our understanding of the universe since the 1970s, shedding ...

From the earliest humans, to today, we have always looked at the night sky with a sense of awe. Today, using some of the most advanced technology, from giant space telescopes to particle accelerators ...

How big is the universe? If it began with the Big Bang, will it also have an end? Is there life beyond our planet? Questions like these inspired the launch of Voyager I in 1977 and have driven ...