In the vast, dark expanse of the universe, there lies a mystery about the first stars—massive, luminous celestial bodies that lit up the cosmos in its earliest stages. These stars, known as Population ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. In a development that bridges science, art and citizen science, a ...

Over a year ago, we received a signal from Mars—an encoded message from Europe’s Martian orbiter, picked up by three observatories on Earth. The contents of this simulated alien message, crafted by an ...

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Receiving signals from the moon is a challenge. Although amateur radio operators have been bouncing signals off the moon and receiving them seconds later when they return to Earth since 1953, the ...