It’s always amazing, and more than a little humbling, when the universe reminds us that our “common sense” is provincial, ...

The largest known structure in the Universe may be even larger than the large we thought it was. A re-examination of the distribution of powerful space explosions suggests that the Hercules-Corona ...

According to our best understanding, the universe should be homogeneous at large scales. This means that it's ok to have clumps of matter and areas of void, but it should all average out. So it’s ok ...

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If there is an absolute law in the universe, it’s that nothing can travel faster than the speed of light. For science-fiction enthusiasts, that’s a bit depressing. Space is big, and while the speed of ...