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 ...

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

The burst was so bright that it bounced off the Moon and illuminated Earth’s upper atmosphere, surpassing the brightness of a ...

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

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

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

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 ...

A communications satellite out of commission since 1965 is chirping at the Earth in radio frequencies. What is happening? We ...

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 ...

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