Science News

Science@NASA

 

Connect to ScienceCasts

NASA Embraces Small Satellites Poster
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.
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
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
Sun, Earth’s Space Environment
Sep 21, 2016
Four NASA spacecraft have performed a thrilling maneuver to understand the physics of explosive reconnection in Earth's magnetosphere.
NASA Spacecraft Fly in Record-setting Formation Poster
Sun, Earth’s Space Environment
Aug 16, 2016
Summer is the season for electric-blue noctilucent clouds. NASA's AIM spacecraft is finding that these clouds continue to reveal details about how the atmosphere works.
Earth, Sun, Earth’s Space Environment
Jun 14, 2016
Dynamic bubbles of ionization in Earth's upper atmosphere can cause GPS signals to "twinkle" like stars, affecting the quality of navigation on Earth below. NASA recently conducted a mission called CINDI to investigate this phenomenon.
Twinkle Twinkle GPS Poster 1
Sun, Sky Watching
May 3, 2016
On May 9th, Mercury will move across the face of the sun, offering a rare viewing opportunity for professional astronomers and backyard sky watchers alike.
2016 Transit of Mercury Poster
Sun, Sky Watching, Eclipses
Mar 8, 2016
During the early hours of March 9, 2016 the new moon will pass directly in front of the sun, producing a total eclipse of the sun over South East Asia. A partial eclipse will be viewable the evening of March 8, 2016 in western-most parts of the USA including Alaska and Hawai'i.
Indonesian Solar Eclipse Poster
Exoplanets, Sun
Feb 18, 2016
Deep in the heart of California's Owens Valley, a strange-looking telescope stands in the desert landscape listening for echos of distant stars.  
Listening to the Stars Poster
Sun, Earth’s Space Environment
Dec 14, 2015
Earth is surrounded by electrons that can be disruptive to our technology. NASA is using high-altitude balloons and spacecraft to monitor and understand these particles in the radiation belts surrounding our planet.
Escape of the Destructive Electrons Poster
Sun
Oct 20, 2015
The ESA/NASA Solar and Heliospheric Observatory has discovered more than 3000 doomed comets that have passed close to the sun. 
Thousands of Doomed Comets Poster
Sun
Sep 11, 2015
NASA's MMS spacecraft are flying around Earth in a precise formation made possible by an out-of-this-world system of GPS navigators.
NASA Spacecraft takes Space GPS to New Heights Poster
Universe, Sun, Solar System
May 5, 2015
May 5, 2015:  As May of 2015 unfolds, Halley's Comet is more than 5 billion kilometers from Earth, receding into the inky blackness of the outer solar system, where its looping orbit takes it every 76 years.  Dim and distant, history's most famous comet won't be back until sometime... Read More
Sun
Mar 18, 2015
Tiny solar flares on the sun may be having an outsized effect on the temperature of the sun's atmosphere. To investigate, scientists will observe these "nanoflares" using a space telescope built for black holes.
ScienceCasts: The Mystery of Nanoflares
Sun
Mar 10, 2015
NASA is about to launch a fleet of spacecraft to investigate the mystery of "magnetic reconnection," which is making things explode across the cosmos.
ScienceCasts: Studying Earth's Magnetic Personality