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

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 ...

A strong geomagnetic storm is forecast for Tuesday, according to the National Oceanic and Atmospheric Administration's Space ...

A sprawling and highly active sunspot complex is turning toward Earth just as a recent solar eruption sends a glancing blow ...

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

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

A NASA spacecraft is making a close approach to the sun, repeating its record-breaking distance of 3.8 million miles from 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 ...

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

Auroras may be visible from Alaska to New York as an incoming coronal mass ejection is expected to slam into Earth today.

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 ...