The 2013 shutdown offers some clues as to what the impact will be now after Republicans and Democrats failed to agree to a short-term spending deal.
Research dollars don't stay locked up in academia and government labs. R&D collaborations with the private sector are common – and grow the innovation economy.
In its broadest sense, the March for Science aims to cause US legislators to reflect a little and understand what they risk if they choose to erode their global scientific leadership.
What are research dollars actually spent on? Rather than looking at artifacts like publications and patents, a new initiative directly tracks the people and businesses that receive research funding.
Trump's budget would eliminate the National Endowment for the Humanities, breaking a tradition of funding humanities scholarship that goes back to the nation's founding.
Trump has pledged to invest big in infrastructure. An analysis shows the electric grid will need hundreds of billions of dollars over the next decade just to keep things as they are.
Trump's first budget proposal would boost defense spending by US$52 billion, but his desired military buildup is premised on misleading claims and lacks a strategic vision.
Does the president's specified goal of 350 ships meet the needs of the nation in the 21st century? The answer is not yet clear.
Trump is proposing a budget with little substance and filled with politically toxic spending cuts, making it very unlikely to go anywhere, even in a Republican Congress.
Trump has indicated he wants to eliminate the National Endowment for the Arts in his budget to save money. The impact on many US museums could be devastating.
President Trump's 2018 budget request cuts funding for NASA Earth observation research and cancels four missions. Weather forecasters, businesses, scientists and the armed forces rely on this data.
A study estimates that Americans would pay $92 billion yearly in extra taxes to protect national parks. But the Trump Administration's budget calls for cuts.