horizons

With NASA’s return to the moon with Artemis 3 tentatively scheduled to touch down at the lunar south pole sometime…

Twenty years ago this month, twin spacecraft made dramatic planetary landings and set about creating an unrivaled legacy of science…

Demoted planet Pluto may have an ice volcano on its surface the size of Yellowstone, scientists recently discovered. The newly…

When Alan Stern launches to suborbital space this week on Virgin Galactic’s fifth commercial flight, he’ll accomplish the goal of…