A strong solar flare slightly less powerful than the one that caused May’s dazzling lights is expected to cause intense Northern Lights sightings across several U.S. states over the next few days.

In the race to make solar energy cheaper and more efficient, a team of UNSW Sydney scientists and engineers have found a way to push past one of the biggest limits in renewable technology.

The northern lights may be visible along a stretch of northern states Tuesday night, and a recent solar flare could heavily disrupt radio frequencies this week, according to a National Oceanic and ...

There may be more northern lights – or aurora borealis – sightings this spring. As we near the spring equinox, also known as the vernal equinox, on March 20, the Earth's magnetic field and solar wind ...