NASA astronauts Nichole Ayers, Jonny Kim and Anne McClain marked Independence Day with a few heartfelt words for their ...

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and ...

NASA strives to understand the universe, whether that be the stars above us or Earth around us. One way NASA focuses on the ...

China is positioning itself to take the lead in one of the most coveted goals in planetary science—returning samples from ...

A NASA astronaut captured a fascinating weather phenomenon that still has scientists scratching their heads. Nichole Ayers is ...

Nichole Ayers, a NASA astronaut, spotted a rare sprite. The red flash occurred above thunderstorms. It happened over Mexico ...

The partnership will include live looks at the earth from the International Space Station and coverage of NASA's active ...

NASA is monitoring three asteroids soaring past the Earth at about 8,000 to 15,000 miles per hour, the biggest of which measures around 1,300 feet in diameter. The largest space rock, known as ...

For 540 million years, the ebb and flow in the strength of Earth's magnetic field has correlated with fluctuations in atmospheric oxygen, according to a newly released analysis by NASA scientists. The ...

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth -- but closer to the red planet than us at a safe 150 million miles (240 ...