A new method to evaluate deep aquifers shows even torrential rains haven’t fully replenished groundwater beneath Los Angeles.

Grace van Deelen
Grace van Deelen, joined Eos in 2023 as a staff writer. She covers all things Earth science and is particularly interested in stories that highlight the intersection of society, the environment, and equity in science. Grace holds a master’s degree from MIT’s Graduate Program in Science Writing and bachelor’s degrees in biology and anthropology from Tufts University.
National STEM Festival Celebrates 103 Student Innovators
A “national science fair” in Washington, D.C., hopes to help students persist on their pathways to STEM careers.
EPA Moves to Rewrite Water Rules Following Sackett Decision
EPA administrator Lee Zeldin announced today that the agency would kick off a review of EPA rules and redefine “waters of the United States” to ensure that the agency aligns with the 2023 Supreme Court decision Sackett v. Environmental Protection Agency (EPA), which limited the implementation of the Clean Water Act.
Two ROVs to Join the U.S. Academic Research Fleet
The midsize remotely operated vehicles, supported by federal grants, will help meet growing demand for submersible research vehicles.
Trump Boasts About Dismantling Environmental and Science Policy
President Trump’s address to Congress touted takedowns of Biden’s initiatives and encouraged fossil fuel expansion but did not acknowledge recent cuts to the federal workforce.
We’re About to Reach the Paris Agreement Limit, If We Haven’t Already
Earth has probably already entered the 20-year period in which global temperatures will be, on average, 1.5°C (2.7°F) higher than preindustrial conditions.
U.S. Academic Research Fleet to Add Three Smaller, More Nimble Vessels
A dire lack of investment in oceangoing vessels means the U.S. ocean sciences community is lagging, scientists say. Three new vessels will play a part in building capabilities.
Improving Earthquake Early Warning Access for the Deaf Community
Earthquake early warning systems are rarely accessible to people who are deaf or hard of hearing. A group of scientists is working to change that.
Flint, 10 Years Later
In the decade since the start of the Flint water crisis, policymakers and communities have made improvements to the lives of residents, but opportunities for progress remain.
Arctic Beavers Advance North and Accelerate Permafrost Thaw
As beavers build dams in new areas, they impound water, warming permafrost adjacent to their ponds.