A newly understood collision mechanism could explain some peculiarities of Pluto and its moons.

Kimberly M. S. Cartier
Kimberly M. S. Cartier, Senior Science Reporter for Eos.org, joined the Eos staff in 2017 after earning her Ph.D. studying extrasolar planets. Kimberly covers space science, climate change, and STEM diversity, justice, and education
Life’s Building Blocks Found in Bennu Samples
The discovery of amino acids, abundant ammonia, and the bases of DNA and RNA on asteroid Bennu suggest that materials essential to life might be widespread throughout the solar system.
Jet Propulsion Laboratory Reopens as Fire Recovery Continues
Many JPL staff, including its director, are still displaced or without homes after devastating fires throughout the LA region.
Latest Moon Mission Is Old, New, Borrowed, and Blue
Firefly Aerospace hopes to kick off 2025 by sticking a lunar landing. Science from the mission’s 10 NASA payloads could help guide future Moon missions.
“Exceptional” Global Warming Spike Continued in 2024
More than 3 billion people experienced their hottest year ever in 2024 because of anthropogenic climate change. The world is speeding toward its 1.5°C warming target.
Io Probably Doesn’t Have a Global Magma Ocean After All
Data from the Juno spacecraft may have answered a decades-old question about Jupiter’s moon.
Water Testing Builds Trust in Science as Maui Communities Recover
Following fires that ravaged the island in 2023, researchers educated residents about how wildfires affect water quality, and gathered data to determine how wildfire impacts change over time.
Cooking with Gas Creates Unhealthy Work Environments
Even with ventilation, commercial kitchens can have air pollution levels that exceed health-related limits.
Millions in India Vulnerable to Glacial Lake Floods
Climate change–driven factors make regions more vulnerable to glacial lake outburst floods.
Pluto’s Small Moons Are Unlike Any Other
The strange blend of surface chemistry on Nix and Hydra raises big question about the evolution of the Pluto system.