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

Thirty years ago, on January 22, 1992, was discovered PSR B1257+12 B, also nicknamed Poltergeist. It became the first-ever found planet outside the Solar System. Here are some facts about Poltergeist: placed in the constellation Virgolocated 2,300 light-years away;over four...

At 6:07 a.m. EDT, NASA astronaut Megan McArthur used the International Space Station’s robotic Canadarm2 to grapple the Northrop Grumman Cygnus spacecraft as ESA (European Space Agency) astronaut Thomas Pesquet monitored Cygnus systems during its approach. The spacecraft were flying...