Kummakivi is a 500-ton rock in Finland that has been balanced on top of another rock for 11,000 years.

A mega comet has entered our solar system.Named 2014 UN271, the object will approach the Sun and reach Saturn's orbit in 2031. It is estimated to be 100 to 370 km wide, and this object is larger than the typical...

The Ingenuity helicopter is known to have flown to Mars. This is the first time a vehicle has been controlled on a planet other than Earth. At present we do not have aircraft or vehicles capable of flying over other...