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3,045 articles from NASA

NASA Team Studies Middle-aged Sun by Tracking Motion of Mercury

Portal origin URL: NASA Team Studies Middle-aged Sun by Tracking Motion of MercuryPortal origin nid: 416960Published: Thursday, January 18, 2018 - 13:14Featured (stick to top of list): noPortal text teaser: Like the waistband of a couch potato in midlife, the orbits of planets in our solar system are expanding. It happens because the Sun’s gravitational grip gradually...

Long-Term Warming Trend Continued in 2017: NASA, NOAA

Portal origin URL: Long-Term Warming Trend Continued in 2017: NASA, NOAAPortal origin nid: 416982Published: Thursday, January 18, 2018 - 10:30Featured (stick to top of list): noPortal text teaser: Earth’s global surface temperatures in 2017 ranked as the second warmest since 1880, according to an analysis by NASA.Portal image: This map shows Earth’s average global...

Cassini Finds Saturn Moon Has 'Sea Level' Like Earth

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. News Article Type: Homepage ArticlesPublished: Thursday, January 18, 2018 -...


WEDNESDAY 17. JANUARY 2018


Hubble Weighs in on Mass of Three Million Billion Suns

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)! News Article Type: Homepage ArticlesPublished: Wednesday, January 17, 2018 -...


TUESDAY 16. JANUARY 2018


Water for Life

Earth observations are helping countries manage their water security   A Vast and Vital Resource The largest contiguous irrigation system on Earth, the Indus Basin provides water to 100 million people across South Asia. This basin is estimated to irrigate 45 million acres of farm land, and it’s considered the bread basket of Pakistan—essential for sustaining the agriculture and...


FRIDAY 12. JANUARY 2018


NASA, NOAA to Announce 2017 Global Temperatures, Climate Conditions

Portal origin URL: NASA, NOAA to Announce 2017 Global Temperatures, Climate ConditionsPortal origin nid: 416838Published: Friday, January 12, 2018 - 11:51Featured (stick to top of list): noPortal text teaser: Climate experts from NASA and the National Oceanic and Atmospheric Administration (NOAA) will provide the annual release of data on global temperatures and discuss...

Above and Beyond: NASA’s Magnetospheric Multiscale Mission Surpasses Expectations Flying to New Heights in 2017

Portal origin URL: Above and Beyond: NASA’s Magnetospheric Multiscale Mission Surpasses Expectations Flying to New Heights in 2017Portal origin nid: 416820Published: Friday, January 12, 2018 - 11:38Featured (stick to top of list): noPortal text teaser: MMS has been studying Earth's space environment for over two years, and in 2017 it made many discoveries changing...


THURSDAY 11. JANUARY 2018


Hubble Yields New Discoveries at the Winter AAS Meeting

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 nearby star-forming regions, to the heart of our Milky Way galaxy, to the horizon of the...


WEDNESDAY 10. JANUARY 2018


New SOFIA Observations Help Unravel Mysteries of the Birth of Colossal Suns

Portal origin URL: New SOFIA Observations Help Unravel Mysteries of the Birth of Colossal Suns Portal origin nid: 416689Published: Wednesday, January 10, 2018 - 11:46Featured (stick to top of list): noPortal text teaser: Scientists are using SOFIA to survey young stars more than ten-times the mass of the Sun in an ongoing study to understand how massive stars form in our...

Gravity Assist: Saturn with Linda Spilker

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. News Article Type: Homepage ArticlesPublished: Wednesday, January 10, 2018 -...


TUESDAY 9. JANUARY 2018


Gravity Assist: Jupiter with Jared Espley

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. News Article Type: Homepage ArticlesPublished: Tuesday, January 9, 2018 -...


MONDAY 8. JANUARY 2018


High-resolution X-ray Gratings Enable State-of-the-Art Spectrometer

Technology Development X-ray-optics technology has progressed such that future astrophysics X-ray observatories will have orders-of magnitude better performance than existing observatories such as NASA’s Chandra X-ray Observatory. High-resolution soft X-ray spectroscopy offers particularly useful observations that can provide information about the evolution of large-scale structure in the...


THURSDAY 4. JANUARY 2018



WEDNESDAY 3. JANUARY 2018


NASA’s Magnetospheric Multiscale Mission Locates Elusive Electron Act

Portal origin URL: NASA’s Magnetospheric Multiscale Mission Locates Elusive Electron ActPortal origin nid: 416247Published: Wednesday, January 3, 2018 - 13:00Featured (stick to top of list): noPortal text teaser: New NASA research helps improve our understanding of how electrons move through the complex region around Earth — information that will help untangle how such...


TUESDAY 2. JANUARY 2018


NASA Briefing Previews Mission to Explore Nearest Reaches of Space

Portal origin URL: NASA Briefing Previews Mission to Explore Nearest Reaches of SpacePortal origin nid: 416220Published: Tuesday, January 2, 2018 - 16:38Featured (stick to top of list): noPortal text teaser: NASA will host a briefing at 1 p.m. EST Thursday, Jan. 4, about the agency’s upcoming science mission to explore where Earth’s atmosphere meets space.Portal...

Weathering Uncertainty

A joint effort to keep Eastern Africa fed When life and livelihood depend upon the rain, the whim of weather creates a precarious relationship between farmer and Mother Nature. Finding a Remedy “Flooding and drought… are challenging issues in Ethiopia.” As a scientist at the Ethiopian Institute of Agriculture Research, Degefie Tibebe has seen the effects that meteorological mood...


FRIDAY 29. DECEMBER 2017


NASA's Flying Observatory SOFIA to Explore Magnetic Universe and Beyond

Portal origin URL: NASA's Flying Observatory SOFIA to Explore Magnetic Universe and BeyondPortal origin nid: 416080Published: Friday, December 29, 2017 - 12:23Featured (stick to top of list): noPortal text teaser: NASA’s flying observatory SOFIA, is preparing for its 2018 observing campaign, which will include observations of celestial magnetic fields, star-forming...

Gravity Assist Podcast, Mars with Bruce Jakosky and Michael Meyer

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. News Article Type: Homepage ArticlesPublished: Friday, December 29, 2017 -...


TUESDAY 26. DECEMBER 2017


A Breath of Fresh Air

Earth-observing satellites are helping to determine new air quality standards The ABCs of O3 Ozone, chemically represented as O3, is a highly reactive gas that can be broadly divided into two categories—“good” and “bad.” Good ozone is found in the stratosphere and shields the Earth from harmful levels of ultraviolet radiation; bad ozone is created near the ground level from...


THURSDAY 21. DECEMBER 2017


Views of Home

Video Length: 4:24Cameras on NASA spacecraft have treated us to intriguing and inspiring perspectives of our home planet as they've looked back at Earth from various locales. Read this story Video Links: Views of Home -...


WEDNESDAY 20. DECEMBER 2017


NASA Invests in Concept Development for Missions to Comet, Saturn Moon Titan

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. News Article Type: Homepage ArticlesPublished: Wednesday, December 20, 2017 -...

A New Twist in the Dark Matter Tale

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. News Article Type: Homepage ArticlesPublished: Wednesday, December 20, 2017 -...