Mars is spinning faster and faster, shortening the length of its days. The Red Planet's rotation is increasing by around 4 milliarcseconds per year. A milliarcsecond is a unit of angle, with one ...

The length of Mars' day is shortening by three-quarters of a millisecond each year as the planet’s rotation spins up, according to new results from NASA's InSight lander. To get these incredibly ...

Mars is rotating more quickly than it used to, according to data that NASA’s InSight lander collected on the red planet.The now-retired InSight was armed with a suite of instruments, including ...

Astronomers confirm Uranus’ rotation period using internal oscillation modeling for the first time. On Uranus, a day just lasts far longer. More precise rotational time observations of the gas giant ...