News Articles

A Sunset Sky Show Poster
Planets of Our Solar System, Sky Watching
Mar 16, 2018
For a beautiful sky show, go for a sunset walk on March 18th. You’ll need an unobstructed view of the western horizon for the evening’s treat so climb a hill, see if you can catch a glimpse from the top of a parking garage or perch on a balcony.  
Solar System, Planets of Our Solar System
Jan 18, 2018
Just as the surface of oceans on Earth lies at an average elevation that we call “sea level,” Titan’s seas also lie at an average elevation.
Photo of body of liquid on Saturn's moon Titan
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 million billion suns — so it’s little wonder that it has earned the nickname of “El Gordo” (“the Fat One” in Spanish)!
field of stars and galaxies
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 about groundbreaking new research with NASA’s Hubble Space Telescope. The new science discoveries with the Earth-orbiting observatory stretch from... Read More
Dense field of stars in many colors
Solar System, Planets of Our Solar System
Jan 10, 2018
The sixth planet from the Sun, Saturn is a gas giant that’s best known for its striking icy rings. How old are the rings, and how are they changing over time? And what’s up with Saturn’s mysterious hexagon-shaped storm in the north polar region? In this episode of Gravity Assist, NASA’s Planetary... Read More
Image of Saturn
Solar System, Planets of Our Solar System
Jan 9, 2018
Our solar system is a wondrous place with a single star, our Sun, and everything that orbits around it - planets, moons, asteroids and comets - what do we know about this beautiful solar system we call home? It's part of an even larger cosmos with billions of other solar systems.
This illustration depicts NASA's Juno spacecraft soaring over Jupiter’s south pole.
Solar System, Mars
Dec 29, 2017
With Jim Green today is the “man about Mars,” Bruce Jakosky from the University of Colorado. Bruce is the principal investigator of NASA's MAVEN mission. Joining them is Michael Meyer the lead Mars scientist at NASA Headquarters.
Earth, Solar System
Dec 22, 2017
In 1968, Apollo 8 placed humans into lunar orbit for the first time. As the astronauts in their spacecraft emerged from behind the Moon, they were surprised and enchanted by an amazing view of Earth rising over the lunar horizon. Bill Anders quickly snapped a picture of the spectacular Earthrise.... Read More
Views of Home Poster
Solar System
Dec 20, 2017
NASA has selected two finalist concepts for a robotic mission planned to launch in the mid-2020s: a comet sample return mission and a drone-like rotorcraft that would explore potential landing sites on Saturn’s largest moon, Titan.
Artist concept of Dragonfly mission on Titan surface
Dec 20, 2017
An innovative interpretation of X-ray data from a cluster of galaxies could help scientists fulfill a quest they have been on for decades: determining the nature of dark matter.
Composite image of the Perseus galaxy cluster using data from Chandra X-ray Observatory, ESA’s XMM-Newton and Hitomi.
Dec 15, 2017
Are microwaves really just a form of light? What exactly is the electromagnetic spectrum? While our eyes can't see most of this spectrum, except for visible light, we have developed technologies such as giant radio dishes, infrared cameras, x-ray scanners, and utraviolet satellites to peak into the... Read More
Electromagnetic spectrum color bands
Solar System
Dec 14, 2017
Did you know the Moon is slowly moving away from Earth and that the Moon has water? Jim Green is joined by lunar expert Sarah Noble to discuss how the Moon was formed, lava tubes and moonquakes, the “dark side of the Moon,” and mysteries we have yet to solve about Earth’s nearest neighbor.
Moon: Ilmenite Seen with Ultraviolet Light
Solar System, Sky Watching
Dec 8, 2017
The annual Geminid meteor shower has arrived. It's a good time to bundle up, go outside and let the universe blow your mind!
Black and white image showing multiple meteors in the sky.
Dec 8, 2017
A new NASA policy will give science and engineering communities a revised roadmap to allow more opportunities to conduct innovative science and technology from space.
Time-Resolved Observations of Precipitation structure and storm Intensity with a Constellation of Smallsats
Dec 8, 2017
The Moon became a key focus point for NASA in 2017, whether it was blocking out the Sun during one of the most-viewed events in U.S. history, or reinvigorating the agency’s human space exploration plans.
ISS Transit During a Partial Solar Eclipse 2017