Reconstructing the orbit of the Chelyabinsk meteoroid
A pair of Colombian scientists has made the first attempt to figure out the meteoroid that exploded over Russia last month.
Wanted: A Strategic Direction for NASA
Does NASA have a strategic direction that guides its priorities and activities? Not a coherent one, according to a critical new report from the National Research Council.
Introducing the Federal Budget Process
In our austerity-hungry political environment, you need to navigate the complicated and volatile landscape of science policy if you want to explore the universe. You need answers to some simple questions: Who supports science? Why?