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Close Approach Comets Poster
Solar System, Sky Watching
Apr 20, 2017
In 2017 and 2018, three comets will pass near the Earth providing the opportunity to observe and study these icy interlopers.
Universe
Apr 17, 2017
Stringent testing is underway to prove the James Webb Space Telescope can handle an Earth-shaking take-off and still capture the universe’s first light while deeply ensconced in the hyper-cold of space.
Universe, Earth, Sun, Solar System
Apr 13, 2017
We once thought oceans made our planet unique, but we’re now coming to realize that ‘ocean worlds’ are all around us.
Ocean Worlds Poster
Solar System, Sky Watching
Apr 6, 2017
Stop what you’re doing and mark your calendar. Jupiter can be viewed at opposition from sunset on April 7, 2017 to sunrise on April 8, 2017.
Earth, Sun
Mar 20, 2017
NASA is embracing small satellite designs, from tiny CubeSats to micro-satellites. These miniature marvels are providing many ways to collect science data and to demonstrate new technologies.
NASA Embraces Small Satellites Poster
Earth, ISS
Mar 7, 2017
NASA has launched an ozone sensor to help monitor long-term change in the ozone layer. This sensor, called SAGE III, will be installed on the International Space Station in 2017.
Earth Observation from the Station Poster
Sun, Sky Watching, Eclipses
Feb 24, 2017
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.
Southern Hemisphere Solar Eclipse Poster
Jan 24, 2017
We’re over 230 episodes in! Which were your favorites? From our home planet to discovering new worlds, find out:
ScienceCasts: Milestones in Review Poster Image
Solar System, Sky Watching, Meteor Showers
Dec 30, 2016
Earth will pass through a stream of debris from comet 2003 EH1 on January 3, 2017, producing a shower of meteors known as the Quadrantids.
New Year's Fireworks Poster 1
Earth
Dec 19, 2016
A three-year NASA field expedition to examine Earth’s coral reefs is now underway, giving scientists the opportunity to study reefs ecology and condition.
A New View of Coral Reefs Poster 1
ISS
Dec 13, 2016
A new NASA study on the International Space Station is investigating how different light spectra can be used to effect astronauts' sleep, or lack of sleep.
The Power of Light Poster 1
Sun
Nov 30, 2016
Observations by NASA's IRIS spacecraft suggest that "heat bombs" are going off in the sun's outer atmosphere, helping to explain why the solar corona is so mysteriously hot.
The Mystery of Coronal Heating Poster 1
Earth
Oct 20, 2016
NASA is helping improve the ability of forecasters to predict hurricane intensity by flying missions into and above the hearts of powerful storms.
Taking the Surprise out of Hurricane Season Poster 1
Solar System, Sky Watching
Oct 14, 2016
Nothing beats a bright and beautiful "supermoon." Except maybe, three supermoons! 2016 ends with a trio of full moons at their closest points to Earth.
2016 Ends with Three Supermoons Poster 1
Universe, Stars
Oct 7, 2016
30 million years from now, a massive cloud of gas will collide with the Milky Way. Astronomers are studying the incoming cloud and learning more about its origin.
Massive Cloud on Collision Course with the Milky Way Poster