Latest about the sun
Total solar eclipse April 2024: The 10 biggest cities within the path of totality
On April 8, 2024, more than 31 million people in North America will witness a total solar eclipse, around a third of them in just 10 cities.
Monstrous X5 solar flare launched on New Year's Eve could bring auroras to Earth tonight
In the final hours of Dec. 31, 2023, the sun launched its most powerful solar flare in 6 years. On Jan. 2, radiation from the blast may bring auroras to Earth's skies.
The 10 best stargazing events of 2024
The 2024 stargazing guide includes a rare total solar eclipse, two bright comet flybys and three supermoons. Here are all the dates you need to know.
10 solar storms that blew us away in 2023
The sun has been spitting out more frequent and intense solar storms this year as it approaches solar maximum. Here are some of the biggest.
10 scorching-hot discoveries made about the sun in 2023
From a surprisingly active solar cycle to finding evidence of ancient superflares and solar auroras, here are the most exciting discoveries about the sun made this year.
Can you really be allergic to the sun?
A number of medical conditions can cause an allergic reaction to ultraviolet light from the sun.
Halley's Comet has begun its return journey to Earth
Halley's Comet was predicted to reach its farthest point from the sun on Dec. 9, beginning a 38-year journey toward Earth that culminates in 2061.
Solar storm from 1977 reveals how unprepared we are for the next 'big one'
New research finds that solar storms vary in strength over surprisingly short distances, and the current network of sensors may not be enough to properly prepare for future outbursts.
Enormous planet discovered around tiny star could break our understanding of solar system formation
The massive planet LHS 3154b orbits a star much smaller than Earth's sun, and its discovery could upend everything we think we know about how solar systems form.
'Cannibal' solar explosion likely to hit Earth today, bringing strong geomagnetic storm and widespread auroras
A recent solar explosion that almost reached "X-class" status has hurled a massive coronal mass ejection toward Earth, which will likely hit our planet and trigger a geomagnetic storm on Dec. 1.
