Hubble Spies the Barred Spiral Galaxy NGC 4394

Shown in this Hubble Space Telescope image, NGC 4394 is the archetypal barred spiral galaxy, with bright spiral arms emerging from the ends of a bar that cuts through the galaxy’s central bulge. These arms are peppered with young blue stars, dark filaments of cosmic dust, and bright, fuzzy regions of active star formation.

Hong Kong City After Raining

May 5, 1961, Alan Shepard in Spacesuit Before Mercury Launch

Astronaut Alan B. Shepard Jr., in his silver pressure suit with the helmet visor closed, prepares for his Mercury Redstone 3 launch on May 5, 1961. Shepard's Freedom 7 Mercury capsule lifted off at 9:34 a.m. and flew a suborbital trajectory lasting 15 minutes and 22 seconds. He became the first American to fly into space.

Neverwinter Nights

Many Fantastic Colors

The Nili Fossae region, located on the northwest rim of Isidis impact basin, is one of the most colorful regions of Mars. This region is ancient and has had a complicated geologic history, leading to interesting structures like layered bedrock, as well as other compositions.

Space Station Flyover of Morocco

Expedition 47 Flight Engineer Jeff Williams of NASA captured this detailed photograph from the International Space Station during a daytime flyover of Morocco on May 2, 2016. Williams shared the image to social media and asked, "Reptile scales, or incredible and rugged geology in Morocco?"

The Dew Drop of Saturn

The water-world Enceladus appears here to sit atop Saturn's rings like a drop of dew upon a leaf. Even though it appears like a tiny drop before the might of the giant Saturn, Enceladus reminds us that even small worlds hold mysteries and wonders to be explored.