Gerald Navratil, a professor of plasma physics at Columbia, on the pursuit by start-ups for clean, unlimited power. Page A6.

The Aditya-L1 spacecraft is designed to watch the sun for any ejections of plasma that may hit Earth and damage power grids.

An outburst of solar energy looks primed to hit Earth on Thursday, potentially bringing auroras to the northern U.S. on ...

The mesmerizing visualization of the fine structure movements within the sun looks like rainbow-colored oil roiling through a ...

A new study has identified an exoplanet that is just 3 million years old — around 1,500 times younger than Earth — alongside ...

The European Space Agency's Solar Orbiter has snapped detailed photographs of the Sun that have been stitched together to ...

Currently, more than 2 million miles away, the object is too small and faint to see without a powerful telescope.

Northern lights should be visible on Thanksgiving and Black Friday thanks to an incoming solar storm, according to NOAA.

I’VE got some good news, some bad news and some REALLY bad news to tell you. Which would you like first? Let’s start with the ...

A new study reveals a massive solar storm occurred in 664 B.C., with potential cataclysmic effects on today's technology if ...

Displays of Northern Lights are possible on Thanksgiving and Black Friday for the northern U.S. after NOAA's space weather ...

Displays of Northern Lights are possible on Thanksgiving and Black Friday for the northern U.S. after NOAA's space weather ...