Gesamtlänge aller Episoden: 10 hours 43 minutes
A new NASA-funded planet-hunting instrument has been installed on the WIYN telescope, on Arizona’s Kitt Peak.
On Dec. 17, 2019, engineers took NASA’s next Mars rover for its first spin.
What can you see in the December sky? Beautiful pairings of Venus, Saturn and Mars with the crescent Moon throughout the month, at sunrise and sunset.
See how the odd orbits Neptune's inner moons Naiad and Thalassa enable them to avoid each other, as they race around the planet. Researchers call it a "dance of avoidance."
Highlights of the November sky include how to watch as Mercury transits the Sun.
NASA's InSight lander on Mars is trying to use its robotic arm to get the mission’s heat flow probe, or mole, digging again.
What's Up for September? Following the crescent Moon, the September equinox and — wait — where did Mars go?