The moon we see today isn't the moon that was born 4.5 billion years ago. NASA's Goddard Space Flight Center traces its evolution in a fascinating new video that shows the various events that have shaped the moon we've come to know. Over this course of time, our moon has taken quite a beating, unde...
Black holes are at least partially responsible for the size of their host galaxy; it seems galaxies with more active black holes produce fewer stars.
Has deep space deep-frozen the interplanetary vagabond?
Did the famous supernova known as Cassiopeia A coincide with the birth of King Charles II in 1630? New evidence of the "noon day star" suggests this might be the case.
It's looking more and more likely that the explanation for the so-called "Pioneer anomaly" is not due to new physics, but to far more mundane factors.
A new play premiering in California documents the fascinating life of Henrietta Leavitt: the woman who figured out how to measure the universe.
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