Letter: Truth and facts matter Wanda Dobrovolny writes about the ongoing speculation over whether the man who shot and killed a Minnesota state legislator and injured another was a Democrat or ...

Astronomy was not only unable to detect dark energy and dark matter, but a lot of conventional matter was also missing. That has now changed.

The completed Allen Telescope Array (ATA) is intended to consist of approximately 350 6.1 meter offset Gregorian dishes at the Hat Creek Radio Observatory site in northern California. Given the number ...