Solar System, Sky Watching
Apr 21, 2017
Comets are some of the most interesting objects in the solar system. Water that filled the ancient oceans of Earth might have been delivered by comets. And there is growing evidence that many comets (as well as some primitive asteroids) contain molecules key to life. NASA has sent space probes to... Read More
Apr 17, 2017
The most sophisticated space science telescope ever constructed – the James Webb Space Telescope (JWST) – is targeted to launch in October 2018. With a primary mirror three times as wide as The Hubble Space Telescope and a special sensitivity to penetrating infrared radiation, Webb will peer into... Read More
Universe, Earth, Sun, Solar System
Apr 13, 2017
Earth. A world dominated by water. Trillions of gallons flow freely across the surface of our blue-green planet. While we once thought oceans made our planet unique, we’re now coming to realize that ‘ocean worlds’ are all around us.
Apr 10, 2017
NASA invites people around the world to help us celebrate Earth Day 2017 by "adopting" one of 64,000 individual pieces of Earth as seen from space.
Solar System, Sky Watching
Apr 5, 2017
Stop what you’re doing and mark your calendar: When: Sunset on April 7, 2017 to sunrise on April 8, 2017 What: Jupiter at opposition
Mar 27, 2017
NASA will celebrate Earth Day on April 22 to engage the public in the Agency’s mission to better understand and protect our home planet. Download a high resolution of our Earth Day poster.
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