Q&A with Steve Clarke, deputy associate administrator for exploration in NASA’s science division (members only)

Here’s a look by the numbers of the previous Delta 4 flight history and the remaining flights of the rocket named Delta.

Astronauts Doug Hurley and Bob Behnken give a video tour of their new SpaceX Crew Dragon spacecraft as they close in on a docking with the International Space Station on May 31, 2020.

In the ten years since its launch from Cape Canaveral, NASA’s Dawn spacecraft has orbited the two largest worlds in the asteroid belt and overcome defective components that threatened to derail the mission on its 4 billion-mile voyage, discovering unexpectedly rich geologic tapestries suggesting both destinations have a watery past.