"If our hypothesized dark charge is true, then we believe there could be a significant population of primordial black holes, ...

In national security space, “dim objects” typically refer to satellites or debris that emit little energy and are hard to see with traditional sensors. Detecting and characterizing them is already ...

The space rock has a 4.3% chance of striking the Moon in six years—and it could generate a flash nearly as bright as Venus.

NASA Responds to Claim That Earth Will Lose Gravity in 2026 ...