Science ❯Earth Sciences ❯Geophysics

Planetary Rotation

Time Measurement Earth's Rotation Speed Earth's Spin Earth's Rotation Changes Moon's Influence

Earth Spins Faster Than Ever, Logging One of the Shortest Days on Record

International timekeepers plan a negative leap second by 2029 to align clocks after the planet’s unexpected spin-up.

Earth Sets Second-Shortest Day of 2025 as Spin Continues to Accelerate

Earth Logs 1.34-Millisecond Day, Its Second-Shortest on Record

Scientists Confirm August 5 as Shortest Day of 2025, Eye Negative Leap Second