Even from space, you wouldn’t detect something important about Earth’s shape: It’s not perfectly round. It’s actually a ...

Does the universe have an end or an edge ... This question about the boundaries of the universe is one of those that humans will likely continue to ponder until the end of time. We are not sure, but ...

One such problem, along with dark matter and dark energy, is that the universe looks sort of flat ... then the geometry of ...

The data, generated by the Planck satellite, strongly suggests a Universe with positive curvature. If true, this challenges the current, flat model of the Universe. In a flat universe, two parallel ...