Space.com on MSNOpinion

Dark matter may be made of pieces of giant, exotic objects — and astronomers think they know how to look for them

Searches for dark matter particles have come up empty so far, driving theorists to get more creative with their ideas.

Behold the Manifold, the Concept that Changed How Mathematicians View Space

In the mid-19th century, Bernhard Riemann conceived of a new way to think about mathematical spaces, providing the foundation ...