Q&A with Carol Raymond, deputy principal investigator on NASA’s Dawn mission

Loaded with investigations into chemotherapy drugs with reduced side effects and radiation detectors for homeland security, a plant-growing chamber to promote future food harvesting in space and a technology demonstration for sample-return capsules, a commercial Cygnus cargo vessel will be sent to the International Space Station next week.

NASA has decided to launch the multibillion-dollar Europa Clipper mission — a spacecraft to study a moon of Jupiter with an icy crust covering a liquid water ocean — aboard a commercial heavy-lift rocket in October 2024, and not on the government-owned Space Launch System, officials said Wednesday.

A NASA post advertising an opening for a new Planetary Protection Officer provided a field day for headline writers who apparently couldn’t resist having a bit of fun at the agency’s expense by suggesting, in large type, that whoever filled the post would be defending Earth from aliens. And making good money to boot.