Explore NASA Science

Mercury transiting the Sun, seen by SDO
Sun
Jan 18, 2018

Like the waistband of a couch potato in midlife, the orbits of planets in our solar system are expanding. It happens because the Sun’s gravitational grip gradually weakens as our star ages and loses... Read more

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Uranus and Neptune
Solar System, Planets of Our Solar System
Jan 18, 2018

In this episode of Gravity Assist, NASA’s Jim Green and Amy Simon discuss Uranus, Neptune, and Read more

This map shows Earth’s average global temperature from 2013 to 2017
Earth
Jan 18, 2018

Earth’s global surface temperatures in 2017 ranked as the second warmest since 1880, according to an analysis by NASA. ... Read more

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Photo of body of liquid on Saturn's moon Titan
Solar System, Planets of Our Solar System
Jan 18, 2018

Just as the surface of oceans on Earth lies at an average elevation that w Read more

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field of stars and galaxies
Universe, Stars
Jan 17, 2018

In 2014, astronomers using the NASA/ESA Hubble Space Telescope found that this enormous galaxy cluster contains the mass of a staggering three... Read more

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Satellite image of water and land
Earth
Jan 16, 2018

The largest contiguous irrigation system on Earth provides water to 100 million people across South Asia. Until recently, monitoring the amount and... Read more

NASA and the National Oceanic and Atmospheric Administration are two keepers of the world's temperature data record.
Earth
Jan 12, 2018

Climate experts from NASA and the National Oceanic and Atmospheric Administration (NOAA) will provide the annual release of data on global temperatures and discuss the most important climate trends... Read more

illustration of MMS spacecraft
Sun
Jan 12, 2018

MMS has been studying Earth's space environment for over two years, and in 2017 it made many discoveries changing how we understand the magnetic environment protecting our planet. ... Read more

The Tarantula Nebula as seen on SOFIA’s visible light guide camera.
Universe
Jan 12, 2018

Astronomers observed massive star formation regions in the Milky Way’s largest satellite galaxy. ... Read more

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Dense field of stars in many colors
Universe
Jan 11, 2018

Astronomers gathering at the 231st meeting of the American Astronomical Society at National Harbor in Washington, D.C., will have a chance to learn... Read more