Pappus of Alexandria formulated important geometric theorems and studied the Platonic solids in relation to the sphere

The 'Luna-25' probe collided with the surface 400 kilometers from where it intended to land, after an error in the approach maneuver

It is what we could call a surprise attack. One launched without warning against Mars, in the form of a fiery cloud of plasma that, according to scientists, could strip the red planet of a good part of its already tenuous and deteriorated atmosphere….

A genetic analysis suggests that 930,000 years ago the population of human ancestors was on the brink of extinction, which could have produced the emergence of a new species