This week, uncover some of the oldest ice on Earth, follow a dinosaur highway, learn how Pluto sealed the capture of its moon ...

NASA explores growing plants in space to ensure fresh, nutritious food for astronauts. Microgravity affects plant genetics ...

But the planet just experienced its hottest year on record, wars are continuing to drag on and democracies around the world ...

The KSA director general said it was lucky that no significant damage was done when the object hurtled to Earth. "The ...