For more than two decades, a global network of telescopes has been eavesdropping on the sun by tracking millions of tiny oscillations that ripple across its surface. Those vibrations, essentially ...

Sunlight overwhelms their faint glow, hiding auroras on Earth’s daytime side from ordinary cameras and human eyes. But a new ...

For many years now, the activity of the Sun’s 11-year solar cycle has been gauged through visible indications like sunspots, solar activity, magnetic fields, and radio waves. Yet according to recent ...

Every eleven years, the sun's magnetic field flips. Sunspots—dark, cooler regions on the sun's surface that mark intense magnetic activity and often trigger solar eruptions—appear at mid-latitudes and ...

During yesterday morning’s powerful X1.5 flare, the sun launched a chunk of solar material our way. This blob, also known as a coronal mass ejection (CME), is racing toward Earth at an unusually high ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Yeimy J. Rivera, Smithsonian Institution (THE CONVERSATION) When you look up at the ...

When the Sun reaches higher levels of activity, junk drifting in low Earth orbit loses altitude at an increased rate — and for the first time, scientists have measured that increase and identified ...

It's getting crowded up there. Over the past few years, the advent of SpaceX's Starlink and other players in the mega-satellite constellation game are adding an exponential load of satellites and ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...