Scientists Intrigued by "Negative Mass Anomaly" Under Surface of Mars - Futurism

Scientists Intrigued by "Negative Mass Anomaly" Under Surface of Mars  Futurism"Substantial Negative Mass Anomaly" 1,200 Kilometers Deep Appears To Be Causing Mars To Spin Faster  IFLScienceAn anomaly in Mars' mantle could trigger volcanoes to erupt — and may be causing the whole planet to spin faster  YahooMars’ rotation is speeding up at an unprecedented rate: Scientists reveal why  The Times of IndiaMars is changing and a hidden volcano could be driving it—Here's what scientists found  Moneycontrol.com