sun

Why is Everything Spherical?

Have you ever noticed that everything in space is a sphere? The Sun, the Earth, the Moon and the other…

10 years ago

Watch the Rise and Fall of a Towering Inferno on the Sun

Caught on camera by NASA's Solar Dynamics Observatory, a prominence blazes hundreds of thousands of miles out from the Sun's surface (i.e.,…

10 years ago

The Sun Fires Off a Third X-Class Flare

Remember yesterday when we mentioned two X-class flares erupting from the Sun within the space of about an hour? We…

10 years ago

Curiosity Captures Mercury from Mars

NASA's Curiosity rover may be busy exploring the rugged and rocky interior of Gale Crater, but it does get a…

10 years ago

The Sun Pops Off Two X-Class Solar Flares in One Day

In only a little over an hour, the Sun released two X-class solar flares today. The first occurred at 11:42…

10 years ago

Jaw-Dropping Sunset Timelapse from Sweden

This is not your basic sunset timelapse! It combines a close-up view of the Sun with a solar telescope along…

10 years ago

Astrophotos: The Wispy Edge of the Sun

It's like a total solar eclipse -- without the Moon! Using a special hydrogen-alpha filter that completely blocks the Sun’s…

11 years ago

If Pigs Could Fly – A Quick Guide to Solar Halos and Other Curiosities

Call it a porcine occultation. It took nearly a year but I finally got help from the ornamental pig in…

11 years ago

Astrophoto: Space Station Creates a Zipper on the Sun

"I've been wanting to get one of these for ages!" said astrophotographer Roger Hutchinson from London, England. This awesome image…

11 years ago

This Was the Best Watched Solar Flare Ever

Are giant dragons flying out of the Sun? No, this is much more awesome than that: it's an image of…

11 years ago