Tiny Satellite Begins Hunt for Missing Milky-Way Matter By Meghan Bartels A tiny satellite has started investigating the halo of incredibly hot gas surrounding the Milky Way — and it could help scientists track down the huge amount of missing matter in the universe.
Solar Dynamics Observatory: Staring at the Sun By Elizabeth Howell SDO provides insights on the structure of the sun's magnetic field, as well as how energy is transferred from the sun into space.
There's Spooky Plasma Music Traveling From Saturn to its Weirdest Moon By Rafi Letzter Researchers for the first time recorded the gas giant's vibrating plasma signal to Enceladus. And now you can listen to it too.
Jupiter's Moons Spin Intricate Auroras at Planet's Poles By Sarah Lewin New research shows the closest-ever views of features in Jupiter's swirling auroras, revealing the complicated footprints left by its moons Io and Ganymede.
Earth Throws Stunning Light Show for Space Station Astronauts (Time-Lapse Video) By Elizabeth Howell The Earth recently put on a spectacular show for astronauts aboard the International Space Station.
NASA Satellites Make Magnetic Discovery in Turbulent Space Near Earth By Samantha Mathewson NASA's Magnetospheric Multiscale (MMS) spacecraft has detected magnetic activity occurring in a new and surprising way in the environment of near-Earth space.
Earth's Magnetic Field is A Ruthless, Solar-Wind-Shredding Machine By Brandon Specktor Once again, we have Earth's magnetic field to thank for protecting us from our fire-breathing sun.
NASA Will Launch a Probe to Study the Solar System's Protective Bubble in 2024 By Mike Wall A newly selected NASA mission should help scientists better understand the bubble that surrounds the solar system, agency officials said.
These Two New Missions Will Take Us Closer to the Sun Than Ever Before By Chelsea Gohd Soon, two ambitious missions will take us closer to the sun than we've ever gone before, providing invaluable insight into how our star really works.
William Shatner's Name Will Boldly Go to the Sun on NASA Probe (with 1.1 Million Others) By Mike Wall More than 1.1 million people decided to join William Shatner on an extreme space-exploration enterprise.
The Nuclear Battle Between the Earth and Sun By Paul Sutter Deep in the sun's core, buried under hundreds of thousands of miles of twisting and convecting hydrogen and helium, a nuclear fire rages.
What is Solar Wind? By Nola Taylor Redd Solar wind is a constant stream of plasma and particles emanating from the sun.
Decades-Old Data Shows Auroras on Jupiter's Moon Ganymede in a New Light By Doris Elin Urrutia New data on Jupiter's moon Ganymede, coming from a mission 20 years old, highlights the ways in which this very alien moon is surprisingly Earthlike.
'Interplanetary Shock Wave' Spawns Electric-Blue Auroras By Sarah Lewin A moderate geomagnetic storm kicked up in Earth's skies this morning (April 20), bringing green and rare electric-blue auroras that stretched as far south as Indiana.
This Gorgeous Video Helps Explain Why NASA Is Studying Cosmic Shock Waves By Harrison Tasoff Like a ship cruising the seas or a fighter jet going supersonic, astronomic objects also make shock waves through the medium in which they travel.
'Superflares' May Make It Hard for Life to Thrive on Earth's Nearest Exoplanet By Mike Wall The nearest exoplanet to Earth may get hit hard by damaging ultraviolet radiation, making it tough for life to survive there, a new study suggests.
Gravity Assist Podcast: The Sun, with Nicky Fox By NASA, Astrobiology Magazine NASA's Planetary Science Division Director, Jim Green, talks to solar physicist Nicky Fox about a forthcoming mission to study the Sun's corona.