Articles

Jason Davis

An update on human spaceflight, including orbital propellant depots, suborbital test flights and an Orion crew capsule test aboard a Delta IV Heavy.

James Wray

For now, Mars continues to eclipse Jupiter's moon Europa (shown here to scale) in NASA's flagship mission plans, but not in its appeal to many planetary scientists.

Charlene Anderson

The embargo has just been lifted on the National Research Council's

Bruce Betts

NASA has selected three finalists for the next New Frontiers mission: a Venus lander, a near Earth asteroid sample return, and a lunar Aitken basin sample return mission.

Ted Stryk

I spent a large portion of the day at the Lunar and Planetary Institute's library and presented my own poster during the poster sessions, so my coverage of Thursday's sessions is limited.

Emily Lakdawalla

The Outer Planets Assessment Group or OPAG met two weeks ago, and the presentations from the meeting were recently posted online.

Emily Lakdawalla

John Spencer, erstwhile guest blogger (see here and here), just sent me a few notes on the recent Outer Planets Assessment Group meeting.

Emily Lakdawalla

The next presentation at OPAG was given by Ralph Lorenz and Tom Spilker on a Titan Montgolfiere Mission Study. What's a Montgolfiere, you ask?

Emily Lakdawalla

Next up at the Outer Planets Assessment Group meeting was an overview of the plans for future Europa missions.

Emily Lakdawalla

I said earlier I was going to cover the poster sessions next, and there are some cool things that I want to write about, but I thought I'd better get to something a bit more topical a bit sooner: Europa and the other Galilean satellites, and when (if!?) we'll be exploring them again.