Plus, because CO 2 condenses into tiny ice particles in the deep cold of space, its presence can shed light on planetary formation. Jupiter and Saturn are thought to have formed through a process ...

The first four humans to orbit Earth’s poles are sharing their experiences from their historic mission. In a discussion with ...

Crowds of people angry about the way President Donald Trump is running the country marched and rallied in scores of American cities Saturday in the biggest day of demonstrations yet by an ...

The Sweden Solar System is the largest scale model of the Solar System in existence, and it spans the entire Swedish ...

NASA astronaut Jonny Kim and his two cosmonaut colleagues have arrived at the International Space Station (ISS). The Russian ...

The craft carrying astronaut Jonny Kim and two Russian cosmonauts docked with the space station. They're scheduled for an ...

A new trail in this southern Arizona city plots the most visitor-friendly astronomy stops—and there are plenty to choose from ...

In 1895, when German physics professor Wihelm Röntgen was experimenting with cathode rays, he accidentally discovered what we ...

The international four-person crew returns after nearly four days in space and observing Earth’s poles from orbit for the ...