What is a Coronal Hole? NASA has discovered a massive butterfly-shaped coronal hole on the Sun. Learn about these coronal ...

A coronal hole more than 35 times wider than the Earth has appeared on the surface of the sun, and it could spark aurora in Alaska, parts of Canada and perhaps even the far northern United States.

When you buy through links on our articles, Future and its syndication partners may earn a commission. Intense auroras are expected across northern North America, and may be visible in about 15 U.S.

First NASA figured out how to fit a square peg in a round hole (it happened in Apollo 13 and it’s totally worth googling to see how they did it, but Hair Balls digresses); now they’ve spotted a square ...

Observations of the Sun last weekend have revealed some stunning features marking the solar disk and beyond. There is a gigantic coronal hole stretching across the surface of the Sun, spewing fast ...

Astronomers' hearts were a-flutter this week when a butterfly-shaped hole appeared in the Sun. The giant coronal hole was spotted facing Earth, likely firing solar winds at our planet that could lead ...

In its closest-ever dive into the Sun’s atmosphere, NASA’s Parker Solar Probe has returned stunning new images and data that bring scientists closer to solving one of the Sun’s biggest mysteries: how ...

Ryan French receives funding from NASA. On Sept. 24, 2025, NASA launched two new missions to study the influence of the Sun on the solar system, with further missions scheduled for 2026 and beyond.

CAPE CANAVERAL, Fla. -- Sixty years after NASA set the goal, and three years after its Parker Solar Probe launched, the spacecraft has become the first to "touch the sun." The Parker Solar Probe has ...