Key Takeaway: Ice sheets, which store large amounts of fresh water on land, are melting as Earth’s air and ocean temperatures warm. Antarctica is losing ice mass at an average rate of about 135 ...

The Moon’s atmosphere contains about one million billion (10 15) times fewer molecules per cubic centimeter than Earth’s does. This is primarily because Earth is more massive (so it has a stronger ...

The story of oceans is the story of life. Life as we know it requires three ingredients: energy, organic molecules, and liquid water. Our search for life beyond Earth is, in part, a search for planets ...

A collection of Apollo flight crew patches.

The Earth’s climate is a solar powered system. Globally, over the course of the year, the Earth system—land surfaces, oceans, and atmosphere—absorbs an average of about 240 watts of solar power per ...

Timeline of the universe: Although we are not sure exactly when the first stars began to shine, we know that they must have formed sometime after the era of Recombination, when hydrogen and helium ...

The planets orbit the Sun in a counterclockwise direction as viewed from above the Sun's north pole, and the planets' orbits all are aligned to what astronomers call the ecliptic plane. Who Was ...

Images on the Golden Record The following is a partial listing of pictures electronically placed on the golden records which are carried onboard the Voyager 1 and 2 spacecraft.

Page One | Page Two | Page Three This image shows the first Deep Space Network (DSN) antenna installed at the Canberra, Australia site, looking down along the polar bearing, which is the axis of the ...

Browse Hubble's Messier catalog objects in the night sky. To explore the Messier Skymap, scroll, double click, or pinch/swipe to zoom. Roll over an icon to see the object, click to zero in, and click ...

Webb studies every phase in the history of our Universe, ranging from the first luminous glows after the Big Bang, to the formation of solar systems capable of supporting life on planets like Earth, ...

NASA’s Curiosity rover landed on Mars on Aug. 5, 2012 inside Gale Crater, which lies on the boundary between Mars' cratered southern highlands and its smooth, northern plains. Follow Curiosity’s ...