Nichole Ayers, a NASA astronaut, spotted a rare sprite. The red flash occurred above thunderstorms. It happened over Mexico ...

Between 50 and 1,000 kilometers above our heads is the ionosphere, a layer of Earth's upper atmosphere consisting of charged particles: ions (atoms that have gained or lost a negatively charged ...

A succession of powerful solar eruptions in early May last year triggered the most powerful solar storm to hit Earth in 20 ...

There are huge, invisible structures in the ionosphere that are high above the surface of the Earth. These structures are ...

Researchers in China have developed a way of locating giant "equatorial plasma bubbles" in the ionosphere by analyzing the ...

Like Earth, Mars is surrounded by an ionosphere—the part of its upper atmosphere where radiation from the sun knocks ...

Bath University shares details of its TOPCAT II payload featuring a multi-frequency GPS receiver, for the Orpheus space ...

An astrophotographer has captured an extremely rare and "difficult" photo of a solar flare exploding from the sun at the ...

NASA’s GOLD mission has made a discovery that is changing how scientists understand Earth’s upper atmosphere. For the first time ever, GOLD has seen X-shaped patterns in the ionosphere—a ...

An astronaut aboard the International Space Station has shared a striking photo of what is known as a Transient Luminous ...

NASA is embarking on the Sporadic-E ElectroDynamics (SEED) mission, launching rockets from Kwajalein Atoll to investigate unpredictable Sporadic-E lay ...

The mission, called SEED, begins on June 13 and targets Sporadic-E layers in the ionosphere. Sporadic-E layers can disrupt radio communications by causing signal reflections back to Earth.