April 2018

Features

Preventing space pollution

By Debra Werner

Reaching Europa

By Tom Risen

The case for WFIRST

By Amanda Miller

Departments

AIAA Bulletin

April 2018 AIAA Bulletin

Trajectories

Envisioning a time when cubesats are routinely shipped to space

By Debra Werner

Editor's Notebook

Beating Silicon Valley at its own game

By Ben Iannotta

Book Review

2001: Space futurism

By Tom Risen

Opinion

A boost for military spaceplanes

Opinion

Nuclear nonsolution

Case Study

Getting to know Mars 2020’s circuitry

Q & A

Science communicator

By Tom Risen

Astronaut's View

Wanted: a realistic moon plan

By Tom Jones

Flight Path

It’s Been An Honor

By Jim Maser