aurora
NASA’s MAVEN Witnessed Auroras as Multiple Solar Storms Crashed into Mars
After orbiting Mars for eight long years, NASA’s Mars Atmosphere and Volatile EvolutioN (MAVEN) spacecraft observed an extraordinary duo of…
Jupiter’s Atmosphere is Surprisingly Hot
Jupiter's upper atmosphere should be pretty cold, but it is surprisingly quite hot.
A New Map Shows how Solar Winds Rain Down Everywhere on Mars
In a joint effort between NASA’s MAVEN spacecraft and the United Arab Emirates’ Emirates Mars mission (EMM), scientists have observed…
Webb Telescope Sees Jupiter and Its Auroras in a New Light
NASA's James Webb Space Telescope is designed to probe the farthest frontiers of the universe, but newly released images of…
Chinese Astronomers Recorded Earliest Account of Aurora
How dating an ancient text revealed one of the oldest observations of aurora known.
Here’s the View From Sweden During the Recent Solar Storm
Vivid green and purple aurora swirled and danced across the entire night sky in Sweden recently. The nighttime light show…
Ions Surf Through Jupiter’s Magnetic Field, Triggering its Auroras
Auroras come in many shapes and sizes. Jupiter is well known for its spectacular complement of bright polar lights, which…
Uranus X-Rays are Probably Reflected Sunlight, but There Could be Another Source as Well
X-rays offer a unique insight into the astronomical world. Invisible to the naked eye, most commonly they are thought of…
Brown dwarf discovered with a radio telescope for the first time
A brown dwarf has been detected by a radio telescope, which opens a new way to discover them.
Even Comets Can Have Auroras. Comet 67P/Churyumov-Gerasimenko Does
The ESA's Rosetta mission to Comet 67P/Churyumov-Gerasimenko ended four years ago. On September 30th 2016 the spacecraft was directed into…