Rome

An astronomer is tracking the gradual orbital decay of Starlink satellites, using their sinking altitudes as a kind of 'planetary barometer' to gauge density changes in the upper atmosphere. Because satellite drag responds to solar activity and atmospheric heating, the constellation's thousands of spacecraft could double as a global measuring network. The approach highlights ongoing tension between the megaconstellation and observational astronomy.

Federal Reserve Chair Jerome Powell says he will remain a member of the central bank's board of governors after his term as chair expires next month. The announcement clarifies his immediate plans amid ongoing speculation about leadership changes at the Fed and scrutiny from the White House over monetary policy.