Nell Greenfieldboyce
Recent Contributions
- NASA is bringing rocks back from Mars, but what if those samples contain alien life?
- NASA advisers call for a visit to Uranus, plus more science during moon landings
- The James Webb Space Telescope is working as well as astronomers dreamed it would
- Who gets to use NASA's James Webb Space Telescope? Astronomers work to fight bias
- Christmas Eve telescope launch has astronomers hoping for good tidings of great joy
- Astronomers find a new planet that's mostly made of iron
- Ancient footprints mistakenly attributed to bears were made by early humans
- In a first test of its planetary defense efforts, NASA's going to shove an asteroid
- The biggest whales can eat the equivalent of 80,000 Big Macs in one day
- If NASA green lights this interstellar mission, it could last 100 years