Space has a knack for bending our sense of scale. The Moon feels close enough to touch—after all, we see its craters with ...

Parker Solar Probe Makes History by Touching the Sun 8 million miles above the Sun's surface on December 24, 2024, traveling at an incredible 430,000 miles per hour - faster than any human-made object ...

CAPE CANAVERAL, Fla. — Final steps are underway here to prepare the next sun-observing spacecraft, a $1.5 billion joint project between NASA and the European Space Agency (ESA), for launch. Dubbed ...

This story appears in the July 2013 issue of National Geographic magazine. The dust speck had been plucked from the tail of a comet more than 200 million miles away. Now, under an electron microscope ...

There’s a bit of a paradox about our galaxy: it’s both jam-packed with stars and cavernously empty. The Milky Way is crowded in the sense that it holds hundreds of billions of stars, as well as ...