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August 20, 2025, 01:45 PM - 8 min read
Is our universe perfectly flat or does it have curvature to it like a sphere, or flare outwards like a horse saddle? That depends on how dense the universe is, and mapping galaxy clusters helps us measure the density of a hypothetical force known as dark energy.
Read moreJuly 23, 2025, 02:54 PM - 6 min read
Delivering a baby and caring for one in space is a much messier and more complicated process than on Earth, where gravity helps with everything from positioning to feeding.
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