From the discovery of gravity to the first mission to defend Earth from an asteroid, here are the most important physics ...

Hidden deep in Kazakhstan's remote steppe lies a valley filled with massive, perfectly round stone spheres. These ancient ...

The Trump administration’s barely disguised contempt for traditional systems of global governance has prompted observers to suggest that the lip service paid to a rules-based order may be over and the ...

Weather can be as unpredictable as it is fascinating. From the gentle patter of rain to the ferocity of thunderstorms, the ...

Scientists reveal water formed soon after the first supernova explosions, suggesting life-friendly conditions existed earlier ...

Spokesman-Review reporter Nick Gibson is in Florida this week to report on Anne McClain’s and NASA’s SpaceX launch from the ...

The collapse of the Soviet Union greatly reduced the West’s fear of another world war—a fear that had led Western leaders to tolerate Soviet spheres of influence in central and eastern Europe. Many ...

Scientists have found a new way to navigate beams of light through dynamic scattering media, such as the turbulent atmosphere ...

GREENBELT, Md.—A sparkling landscape of baby stars. A foamy blue and orange view of a dying star. Five galaxies in a cosmic dance. The splendors of the universe glowed in a new batch of images ...

A total lunar eclipse is set to wow North American astrophotographers on March 13 and 14, here's how to photograph this ...

These results suggest that similar reactions between helium and iron may have occurred within Earth’s core shortly after its formation, trapping much of the primordial helium-3 in the material that ...

Astronomers have discovered a panoply of new moons orbiting Saturn, bringing the ringed gas giant's total up to 274 moons—far ...