Scientists have for the first time detected oxygen on a comet, a finding that could upend theories about how the…
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Earth safe from asteroid flyby next week
An asteroid will give Earth a historically close shave next week, but there’s no chance that the space rock will…
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Ask a science teacher: What is a black hole?
A black hole is a place in Washington, DC, where all our tax dollars go. Just kidding! A black hole…
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