New “Sun Clock” Quantifies Cycle of Extreme Space Weather With Astonishing Precision
200 years of sunspot observations used by University of Warwick researchers to create ‘sun clock’ Sun clock pinpoints times of sharp switch on and off…
Space Weather
Ancient Secret Revealed to Japan’s “Red Sign” Mystery That Has Puzzled Astronomers for 1,400 Years
Nearly a millennium and a half ago, red light streaked the night sky over Japan. Witnesses compared it to the tail of a pheasant —…
Counting Down to the Ionospheric Connection Explorer (ICON) Launch
In October 2018, we’re launching the Ionospheric Connection Explorer, or ICON, to study Earth’s dynamic interface to space. Its combination of remote and in situ measurements will…
Space Weather Satellite Set to Go Where No Mission Has Gone Before
Living near a star is risky business, and positioning a spacecraft near the Sun is a very good way to observe rapidly changing solar activity…
Solar Dynamics Observatory Captures Image of Mid-level Flare
NASA’s Solar Dynamics Observatory captured an image of a mid-level solar flare emitted from the sun on September 4th. The sun emitted a mid-level solar…
New Research Helps Explain Why the Sun’s Magnetic Field Reverses Every Eleven Years
Astronomers may now be able to explain why the Sun’s magnetic field reverses every eleven years. New research explains how the duration of the magnetic…
Scientists Review Space Weather Events Linked to Human Activity
Scientists review the fundamental physical process behind space weather events that are linked to human activity and discusses the observations of their impacts. Our Cold…
Van Allen Probes Reveal Man-Made Barrier Shrouding Earth
A newly published study details the anthropogenic effects on the space environment, which started in the late 19th century and reached their peak in the…
K-Cor Gives Scientists an Early Warning of Incoming Space Weather
Scientists from NASA and the National Center for Atmospheric Research have shown that data from a ground-based instrument called K-Cor can give scientists early warning…
Scientists Develop New Space Weather Model to Help Simulate Magnetic Structure of Solar Storms
Engineers developed the model as part of its Space Weather Modeling Framework, which is the first “first principles” model to simulate CMEs including their magnetic…
A Closer Look Into the Heart of a Magnetic Storm
In an effort to better understand coronal mass ejections and their potential effects on human technology, a newly published study takes a detailed look a…
New ScienceCast Video Details a Carrington-Class CME that Narrowly Missed Earth
A new ScienceCast video details an intense solar storm that narrowly missed Earth two years ago. If it had hit, researchers say, we could still…
New SDO Image of X-Class Solar Flare
This new image of an X-class solar flare was captured by NASA’s Solar Dynamics Observatory on March 29, 2014. The sun emitted a significant solar…
Scientists Discover New Process that Protects Earth from Space Weather
A newly published study shows that in certain circumstances a pool of dense particles normally circling Earth can extend a long arm out to meet…
NASA’s SDO Reveals Images of X4.9-Class Solar Flare
NASA’s Solar Dynamics Observatory viewed a significant solar flare, classified as a X4.9-class flare, on February 24, 2014. The sun emitted a significant solar flare,…
NASA Spacecraft Observe Magnetic Reconnection in Action
By combining data from NASA’s Solar Dynamics Observatory and the Reuven Ramaty High Energy Solar Spectroscopic Imager, scientists were able to create a comprehensive view…
ESA’s Cluster Spacecraft Detects Plasmaspheric Wind
In a newly published study, researcher Iannis Dandouras details the discovery of plasmaspheric wind, providing the first conclusive proof of the existence this wind first…
NASA’s TWINS Provide Continuous Coverage of the Ring Current
Since their launch in 2008, the two Wide-angle Imaging Neutral-atom Spectrometers (TWINS) satellites have been providing scientists with data on Earth’s magnetosphere and the first…