Martian North Polar Layered Bean Dip

What can you see in the October sky? Join the global celebration of International Observe the Moon Night on Oct. 5th, then try to catch the ice giant planets Uranus and Neptune.

Learn more about black holes, how to find them and how to stay safe should you ever get a chance to visit one.

This image taken by the Mars Reconnaissance Orbiter spacecraft shows sedimentary rock and sand within Danielson Crater, an impact crater about 42 miles or 67 kilometers in diameter, located in the ...

The latest view of Saturn from NASA's Hubble Space Telescope captures exquisite details of the ring system.

An avalanche near the north pole of Mars, as observed by the HiRISE instrument aboard NASA's Mars Reconnaissance Orbiter.

In this month's sky, look for lovely crescent Moons at the start and end of the month. The September equinox brings the beginning of fall in the Northern Hemisphere. And Mars is at solar conjunctio...

How can you communicate with Mars spacecraft when the Sun is in the way? Learn more about 'solar conjunction' in this 60-second video.

This new Hubble Space Telescope view of Jupiter, taken on June 27, 2019, reveals the giant planet's trademark Great Red Spot.

What's Up for August? This month our main focus is the Perseid meteor shower.

A scaled down version of our popular series of exploration posters.

A full-sized, 363-foot Saturn V rocket is projected onto the east face of the Washington Monument.

The Moon sets behind the Jefferson Memorial in Washington 50 years to the day after astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin launched on Apollo 11, the first mission to land astr...

Winds around Jupiter's Great Red Spot are simulated in this JunoCam view that has been animated using a model of the winds there.

Astronaut Buzz Aldrin, lunar module pilot, is photographed during the Apollo 11 extravehicular activity on the lunar surface.

As NASA marks the 50th anniversary of the Apollo 11 Moon landing, here are five things to know about the Moon that you can share with others.

Comparing Jupiter’s moons Io and Europa with Saturn’s moons Enceladus and Titan.

The Apollo 11 landing site as seen by NASA's Lunar Reconnaissance Orbiter spacecraft.

July 1994: For the first time in history, human beings watch a major impact between a comet and a planet.

Fragments of comet Shoemaker-Levy 9 approaching Jupiter in 1994.

This visualziation shows the major fragments of comet Showmaker-Levy 9 colliding with Jupiter in 1994.

Comet Shoemaker-Levy 9 fragments left Jupiter with a "bruised" appearance in July 1994.

This expanding dark spot on Jupiter appears to be the aftermath of a collision with a comet or asteroid.

Impact sites of comet Shoemaker-Levy 9 fragments "D" and "G" on Jupiter.

An ultraviolet view reveals comet Shoemaker-Levy 9's multiple impacts on Jupiter.

Four images of Jupiter show the luminous night-side impact of fragment W of Comet Shoemaker-Levy 9 in 1994.