NASA
NASA | Looking Down a Well: A Brief History of Geodesy
Geodesy is a field of study that deals with the measurement and representation of the Earth, and it all started when a clever human named Eratosthenes discovered that you could measure the circumference of the Earth by looking down a...
NASA
A Trip Through Time With Landsat 9
For half a century, the Landsat mission has shown us Earth from space. Now, come along with us on a "roadtrip" through the decades to see how the technology on this NASA and U.S. Geological Survey partnership has evolved with the times...
NASA
Explore with Landsat: Where Would You Go?
With 50 years of Landsat data tracking our changing planet, scientists study how we're all #ConnectedByEarth. But we wonder - what will the next generation explore? Curious kids can make a video to ask Landsat scientists questions about...
NASA
Tracking Amazon Deforestation
The NASA/USGS Landsat satellite mission is helping scientists study how the Amazon rainforest has changed over decades. The Amazon is the largest tropical rainforest in the world, but every year, less of that forest is still standing....
NASA
Venus in a Minute
Our sister planet Venus could serve as a model for many exoplanets soon to be discovered in the upcoming era of new space telescopes, such as James Webb and others. Venus may have been far more Earth-like than its present climate state,...
NASA
NASA Satellites Keep Watch on U.S. Food Supply
Since 2008, the USDA's National Agricultural Statistics Service, or NASS, has drawn on Landsat data to monitor dozens of crops in the lower 48 states as part of NASS's Cropland Data Layer program. The Cropland Data layer uses Landsat and...
NASA
NASA | Cosmic Ice
NASA scientists at the Goddard Cosmic Ice Lab are studying a kind of chemistry almost never found on Earth. The extreme cold, hard vacuum, and high radiation environment of space allows the formation of an unstructured form of solid...
NASA
Landsat 9: Continuing the Legacy Promo
Landsat 9 is the latest satellite to continue the legacy of global observations of Earth’s land surface. With unmatched longevity, accuracy, and coverage, the Landsat program has been the cornerstone of global land imaging since 1972....
NASA
Global Maps of Dryness Help Prepare for Water Use Around Globe
Using measurements from two satellite missions assimilated into a computer model, researchers have created global maps of terrestrial water around the planet. In addition, they can forecast water availability in the United States up to...
NASA
Four of Our Favorite SOHO-discovered Comets
On June 15, 2020, a citizen scientist spotted a never-before-seen comet in data from the Solar and Heliospheric Observatory, or SOHO — the 4,000th comet discovery in the spacecraft’s 25-year history. The comet is nicknamed SOHO-4000,...
NASA
Discovering Eurybates' Satellite
On Jan. 9, 2020, the Lucy Mission officially announced that it would be visiting not seven, but eight asteroids. As it turns out, Eurybates, one of the asteroids along Lucy’s path, has a small satellite. Shortly after the Lucy team...
NASA
40 Years of Watching Mount St. Helens
It has been 40 years since Mount St. Helens erupted on May 18, 1980, in southwestern Washington, near the Oregon border. Fifty-seven people lost their lives in the disaster, and huge swaths of the surrounding forest were levelled. Both...
NASA
Landsat 9: part 2, Designing For The Future
The soon-to-be-launched Landsat 9 is the intellectual and technical product of eight generations of Landsat missions, spanning nearly 50 years. Episode 2 takes us inside the spacecraft, showing how Landsat instruments collect carefully...
NASA
NASA | GPM Enters Thermal Vacuum Chamber
On Tuesday Nov. 13, 2012, the GPM core observatory was moved from the clean room to the thermal vacuum chamber. The spacecraft, wrapped in protective blankets, made the short trip by crane across the testing facility where it was then...
NASA
An EPIC View of the Moon’s Shadow During the June 10 Solar Eclipse
NASA’s EPIC, Earth Polychromatic Imaging Camera (EPIC), sits aboard NOAA’s Deep Space Climate Observatory Satellite (DSCOVR). EPIC provides high-quality, color images of Earth, which are useful for monitoring factors like the planet’s...
NASA
NASA Technology Aids Wildlife Conservation
In a constantly changing world, the protection of our planet’s endangered species and ecosystems is a priority for ecologists. Recently, a group of researchers at the University of Idaho have worked to combine their extensive...
NASA
Webb's Heart Endures its Last Cryogenic Test Before Installation Into the Telescope
Engineers lift the James Webb Space Telescopes cameras and spectrographs out of the Space Environment Simulator at NASAs Goddard Space Flight Center in Greenbelt, Maryland. These vital parts of the Webb Space Telescope endured their last...
NASA
Supercharging the Radiation Belts
On March 17, 2015, an interplanetary shock – a shockwave created by the driving force of a coronal mass ejection, or CME, from the sun – struck the outermost radiation belt, triggering the greatest geomagnetic storm of the preceding...
NASA
NASA Supercomputing Study Breaks Ground for Tree Mapping, Carbon Research
Scientists from NASA’s Goddard Space Flight Center in Greenbelt, Maryland, and international collaborators demonstrated a new method for mapping the location and size of trees growing outside of forests, discovering surprisingly high...
NASA
First Map of Mars Electric Currents
Five years after NASA’s MAVEN spacecraft entered into orbit around Mars, data from the mission has led to the creation of a map of electric current systems in the Martian atmosphere. Unlike Earth, Mars lacks a protective global magnetic...
NASA
Webb Telescope ISIM Instrument Installation Timelapse
Time lapse video of two dozen engineers and technicians successfully installing the package of science instruments of the James Webb Space Telescope into the telescope structure. These science instruments are known as the Integrated...
NASA
NASA's 5 Newest Earth Expeditions Ready for Takeoff
NASA is sending five airborne campaigns across the United States in 2020 to investigate fundamental processes that ultimately impact human lives and the environment, from snowstorms along the East Coast to ocean eddies off the coast of...
NASA
NASA | Women@Goddard: Meet Alberta Moran
Meet Alberta Moran - From someone who learned to drive a Model T car to someone who saw the space shuttle and saw a man landing on the moon, there's really no words to explain her time at Goddard. She has worked at Goddard for forty plus...
NASA
NASA | Planetary Scientist Profile: Brent Garry
NASA Geologist Brent Garry discusses his work studying volcanoes and lava flows on the Earth, the Moon, and Mars.