aurora

Jupiter’s Atmosphere is Surprisingly Hot

Jupiter's upper atmosphere should be pretty cold, but it is surprisingly quite hot.

3 days ago

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…

4 weeks ago

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…

1 month ago

Chinese Astronomers Recorded Earliest Account of Aurora

How dating an ancient text revealed one of the oldest observations of aurora known.

5 months ago

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…

12 months ago

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…

1 year ago

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…

1 year ago

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.

2 years ago

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…

2 years ago

Time-Lapse Video Reveals 10 Years of the Sun’s Life Crushed into One Stellar Hour

I forget the Sun is a star. I think we all do sometimes. It’s easy to take for granted. The…

2 years ago