The universe is simply huge, containing billions of stars, planets, and galaxies. When children get to know the enormity of space, a question that comes to mind is, if the universe is so big, why have ...
E.T. could be phoning home — but we’re not hearing the call. A new study published in The Astrophysical Journal argues that “space weather” could be distorting incoming transmissions from ...
In last week’s The Universe column, I fielded a reader’s question about galaxy collisions in an expanding universe. The answer deals with vast distances, inscrutable forces and the ultimate fate of ...
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