Vibrations supposedly generated by the fiery passage of an interstellar meteor through Earth's atmosphere in 2014 were actually caused by a truck, a new study suggests.
Voyager 1, the farthest human-made object in space, has been sending back nonsensical data since November, raising concerns about its functionality. This potential loss is more sentimental than scientific, as Voyager 1 has already made groundbreaking discoveries.
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Astrophysicist Avi Loeb, who lectures in astronomy at Harvard and is sometimes criticised for his glib style, talks about the search for extraterrestrial life, and dealing with his critics.