Joe Palca
Recent Contributions
- A COVID shot for kids under 12 — your questions answered
- Novavax says its COVID vaccine is extremely effective
- New evidence suggests COVID-19 vaccines remain effective against variants
- NASA is about to fly by the largest moon in the solar system
- New type of COVID vaccine could debut soon
- A vaccine patch could someday be an ouchless option
- Giving 2 doses of different COVID-19 vaccines could boost immune response
- New blood tests should show how long a COVID-19 vaccine will protect you
- Out of thin air: NASA rover makes oxygen from Martian atmosphere
- Success! NASA's Ingenuity makes first powered flight on Mars