Using ground-based and space-based observations, a team of researchers has been monitoring a difficult-to-see comet carefully. It's called Comet 323P/SOHO,…
Solar flares are complex phenomena. They involve plasma, electromagnetic radiation across all wavelengths, activity in the Sun's atmosphere layers, and…
For a quarter of a century, the ESA-NASA Solar and Heliospheric Observatory (SOHO) has been essential in helping scientists understand…
Strictly speaking, there aren't strict boundaries between Earth and space. Our atmosphere doesn't just end at a certain altitude; it…
SOHO is celebrating a huge milestone, and one it was never intended to meet: it has now observed one complete,…
Over the course of April 28–29 a gigantic filament, briefly suspended above the surface* of the Sun, broke off and…
Like coins, most comet have both heads and tails. Occasionally, during a close passage of the Sun, a comet's head will…
A newly-discovered comet may soon become bright enough to see from a sky near you. Originally dubbed SOHO-2875, it was spotted…
Last year's Thanksgiving adventure for astronomers happened when Comet ISON passed within 1.2 million kilometres (750,000 miles) of the Sun.…
She's a rainbow! You can see the first moments of a huge flare belching off the sun in the picture…