Latest about The Sun
Auroras expected tonight and through the weekend as US braces from 'cannibal' solar eruption
A chain of solar outbursts, including a "cannibal" coronal mass ejection that slammed Earth on Tuesday, will bring lovely auroras to parts of the northern US and most of Canada this weekend. Here's where to look.
Rare 'polar rain' aurora seen from Earth for the first time
Seen for the first time from the ground, the polar rain aurora produced an eerie green glow captured on camera in Norway.
NASA spots unexpected X-shaped structures in Earth's upper atmosphere — and scientists are struggling to explain them
NASA's GOLD mission found unexpected X- and C-shaped structures in the plasma of Earth's ionosphere. Researchers have likened our upper atmosphere to "alphabet soup."
Rare, mystery blasts from sun can devastate the ozone layer and spike radiation levels on Earth
The vibrant auroras from earlier this year have a darker side that scientists are still uncovering.
The 2024 summer solstice will be the earliest for 228 years. Here's why.
The time of the annual summer solstice will be the earliest it's been for centuries and will continue to creep forward every leap year until 2100. But why?
The sun's magnetic field is about to flip. Here's what to expect.
When the sun reaches its period of peak activity, known as solar maximum, our star's magentic field will suddenly reverse. But why does it happen, and will it impact Earth?
STEVE — the bizarre purple ribbon in the sky — has a 'secret twin' that appears only before dawn, study finds
An atmospheric phenomenon known as STEVE has a secret twin that appears before the break of dawn and flows in the opposite direction, new research finds.
32 stunning photos of auroras seen from space
Auroras (also called the northern and southern lights) are visible from the ground after powerful solar storms, but these natural light shows look even more majestic from above. Here are 32 spectacular photos of auroras taken from space.
