A 2014 satellite image captured a rare glimpse of a massive, eerily circular ring of clouds that formed slap-bang in the ...

Space debris grows rapidly, threatening satellites and future missions if cleanup efforts don't intensify now.

NASA spotted a circle of clouds over the Pacific Ocean, and the image is still breathtaking over 10 years later.

Four space tourists returned to Earth after a private flight over the poles. Bitcoin investor Chun Wang chartered the SpaceX ...

The Fram2 crew will see Earth like no one ever has before. SpaceX just launched the first-ever human spaceflight to circle Earth over its poles. The private Fram2 mission lifted off atop a Falcon ...

Ellipses are defined as curves that surround two focal points. At any point on the ellipse, the sum of the distance to both ...

Stromatolites: You Can't Spell Mold Without Old One of the big problems with Kelvin's estimates for the age of the Earth was that they disagreed with estimates from anywhere else. Science works on the ...

SpaceX launched four people into space Monday evening on a first-ever human mission to orbit Earth's polar regions. If ...

we would see that imaginary line draw out a circle. It is an effect analogous to a spinning top wobbling as it whirls around. Precession is why the Pole Star changes over time. Currently Earth's ...