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

NASA confirms that asteroid 2025 MW91, estimated to be 140 feet across, will make its closest approach on 5 July.

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

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

Sprites are a type of TLE, which create brilliant flashes of light high above powerful thunderstorms and are difficult to ...

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

A major new study led by NASA has revealed something alarming: Earth’s cloud cover is shrinking, and this is making the ...

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

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 ...

Earth Day Posters and Downloadables Posters and Downloadables by Year This is a collection of illustrated posters in NASA's annual celebration of Earth Day. High resolution printable PDF files are ...