Articles

Samuel Lawrence

It is a day where when all humans should take time to celebrate the momentous achievement that put two brave explorers on the face of another world. As Sir Arthur Clarke once famously said, the Apollo voyages will likely be the only events for which the 20th century will be remembered in the future, when humans live throughout the Solar System and beyond.

Susan Lendroth

Grab your bell bottoms and Tang, and travel back to 1969 when Apollo 11's journey to the Moon captivated the world, and Neil Armstrong's and Buzz Aldrin's boot prints in the lunar dust transformed us into a multi-world species.

Buzz Aldrin

Apollo 11 astronaut Buzz Aldrin and Planetary Society founder Lou Friedman argue that it is time for humans to go beyond the Moon.

Timothy Reed

The editors of the site, Nature, have begun their ApolloPlus40 blog.

John Spencer

Taking a look at Jupiter's moon, Io, from Hawaii.

John Smith

Each Titan flyby is not a fork in the road, but rather a Los Angeles style cloverleaf in terms of the dizzying number of possible destinations. So how did our current and future plans for the path of the Cassini spacecraft come to be? That's the question Dave Seal put to me since that's my job -- I am a tour designer.

David Seal

Saturn is rapidly approaching equinox, where the Sun passes through the ring plane (south-to-north, i.e. the northern vernal equinox), and its ring system (i.e. its great now-gloomy poorly-lit circles of large blocks of water ice) is starting to show some really interesting behavior.

David Seal

David Seal explains the complications for Cassini coming from Titan's atmosphere and Solar Cycle.

David Seal

David Seal muses on his time as the mission planner for Cassini, and the history behind its name, and astronomy in Rome.

Ken Edgett

Looking at Mars with the MRO CTX

Ken Edgett

Water and the Curiosity Landing Site Candidates

Ken Edgett

The Martian Craters Asimov and Danielson

Ryan Anderson

Well, it looks like the next-generation rover that will be launching to Mars in 2011 (and happens to be the focal point of my PhD thesis) just got a name!

Ken Edgett

Sometimes it is a bit awkward being a planetary scientist.

Ken Kremer

Farewell to Hubble, Obama Calls, Astronauts Testify to Congress as Shuttle is Set to Land

Susan Lendroth

This summer, the Smithsonian Institution's National Air and Space Museum in Washington, D.C. will commemorate that extraordinary moment in history with a very special Apollo 11 celebration, featuring the mission's original crew members along with former Johnson Space Center Director Chris Kraft.

Alan Stern

Despite still being more than six years and just over 18 Astronomical Units from the Pluto system, the project team for New Horizons is conducting the second and final portion of our Pluto Encounter Preliminary Design Review (EPDR) tomorrow and the next day.

Alan Stern

Today, I'm kicking the week off with a look at the unusually intense confluence of far flung planetary exploration that's just around the corner, starting the middle of next year.

Mark Adler

On Monday, if all goes well, we will launch the Space Shuttle to rejuvenate one the greatest scientific missions launched on or off the Earth: the Hubble Space Telescope.

Jim Bell

Jim Bell describes his proposal to join the Lunar Reconnaissance Orbiter Cameras science team.