Tectonics

Meteorite that smashed into Mars shook planet, NASA says

Scientists who study Mars have revealed the remarkable Christmas gift they received from the planet last year.

On Dec. 24, 2021, a meteorite hit Mars' surface, triggering magnitude 4 tremors, which were detected by NASA's InSight spacecraft, which landed on the planet four years ago, some 3,500 kilometers away.

Expert calls for villages to be moved due to landslides

The state should consider moving certain mountain settlements to a different location instead of investing in expensive anti-erosion works, says Efthymis Lekkas, professor of dynamic tectonic applied geology at Athens University and head of the Organization of Earthquake Planning and Protection.