While Saturn has been visible in the night sky all of September, this weekend, the ringed planet will shine its brightest.

Interstellar objects like comet 3I/ATLAS, unbound to our sun, regularly visit our solar system. These objects are considered the most common macroscopic entities in the Milky Way.

According to Dean Duffy, the new NASA administrator, a rock sample collected by the Perseverance rover was the "clearest sign ...

The idea was that high-powered lasers would propel tiny probes to 20 percent of the speed of light, impelling them with ...