Mar 23, 2017
NASA has selected ten studies under the Planetary Science Deep Space SmallSat Studies (PSDS3) program, to develop mission concepts using small satellites to investigate Venus, Earth’s moon, asteroids, Mars and the outer planets.
Mar 20, 2017
The earliest satellites of the Space Age were small. Sputnik, for instance, weighed just 184.3 lbs. America’s first satellite, Explorer 1, was even smaller at only about 30 lbs. Over time, satellites grew to accommodate more sensors with greater capabilities, but thanks to miniaturization and new... Read More
Mar 9, 2017
NASA’s Goddard Space Flight Center lost four of its greatest minds in the past several months. Phil Sabelhaus, Marty Davis, Neil Gehrels and Piers Sellers made indelible contributions to space exploration during their decades of service to NASA. This video honors the legacies of these individuals... Read More
Mar 7, 2017
About 30 years ago, researchers announced that ozone concentrations high in the atmosphere over the South Pole had hit an all-time low. This critical layer of the atmosphere that shields us from the Sun’s harmful UV rays had a ‘hole’ in it. And that hole was rapidly expanding. This discovery led to... Read More
Sun, Sky Watching, Eclipses
Feb 24, 2017
Something strange is about to happen to sunbeams in the southern hemisphere. On Sunday, February 26th, the moon will pass in front of the sun, transforming rays of sunlight across parts of South America, southern Africa and Antarctica into fat crescents and thin rings of light.
Feb 23, 2017
Major experiments that will look into a range of scientific disciplines from human health to atmospheric conditions on Earth are on their way to the International Space Station.
Jan 23, 2017
Solar System, Sky Watching, Meteor Showers
Dec 30, 2016
2017 is beginning with fireworks. No, not those fireworks… We’re talking about a lightshow from shattered comet 2003 EH1. According to the International Meteor Organization and other forecasters, Earth will pass through a stream of debris from the comet on January 3, 2017, producing a... Read More
Dec 21, 2016
Dec 19, 2016
Earth’s coral reefs teem with diverse forms of life, from microscopic phytoplankton to whale sharks. As much as one quarter of all ocean species depend on reefs for food or shelter—a remarkable statistic considering that reefs cover less than two percent of the ocean bottom.
Dec 13, 2016
Crewmembers on the International Space Station (ISS) can experience sunrises and sunsets in rapid succession -- about 16 “sunsets” per day because the space station circles Earth once every 90 minutes.
Dec 9, 2016
NASA researchers will present new findings on a wide range of Earth and space science topics at the annual meeting of the American Geophysical Union.
Dec 8, 2016
The Scientific Visualization Studio works closely with scientists to create visualizations, animations, and images to depict NASA science.
Dec 7, 2016
NASA's Cassini spacecraft has sent to Earth its first views of Saturn’s atmosphere since beginning the latest phase of its mission.
Dec 2, 2016
Toolkits are compilations of free downloadable resources with various science themes. For example, toolkits may contain ready-to-print posters, social media graphics, or bookmark templates . Topics include Mars, total solar eclipses, and science calendars. Explore and download... Read More