The Sun has hurled a massive cloud of charged gas toward Earth, a coronal mass ejection that can carry billions of tons of plasma and temporarily reshape the planet’s magnetic shield. As the ...

Scientists can usually spot coronal mass ejections before they affect Earth—but this one snuck past coronagraphs and ...

Solar flares and other activity can disrupt radio communications, power grids and navigation signals, according to NASA.

Extreme stellar flares have always captivated astronomers, but observing such phenomena on other stars had remained an elusive goal until now. Thanks to the European Space Agency's ...

The solar maximum may be over, but the sun has still been busy with activity.

Burst from M-dwarf star could be powerful enough to strip the atmosphere of any planets that orbit it, with implications for ...

The solar wind beneath its wings.

A coronal mass ejection from the Sun is expected to arrive by midday, potentially causing “strong” geomagnetic storms and ...

NOAA's GOES-16 satellite captured the sun blast a "huge rush of mass" that warped the magnetic field, according to the ...

If you live in an area expected to experience the northern lights, bundle up tonight and head to a north-facing point with a ...

Astronomers using the European Space Agency's XMM-Newton space observatory and the LOFAR telescope have definitively spotted an explosive burst of material thrown out into space by another star—a ...

An international team of astronomers, led by SRON, has observed a sudden outburst of matter near the supermassive black hole ...