A show at the Guggenheim Museum highlights the early abstract movement, prominently featuring work by husband and wife Robert ...

Two such lunar canyons, Vallis Schrödinger and Vallis Planck, stretch over 270 km (168 miles) each, with depths of 2.7 km ...

NASA still views the moon as a stepping stone to Mars, even though Elon Musk has dismissed Earth's nearest neighbor as "a ...

After hundreds of hours of observations, researchers captured a highly detailed image of a long filament of the "cosmic web" ...

Many photos McCarthy has taken of the space station in the past show the ship as a silhouette in Earth's shadow. This time he ...