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Satellites Watched Mercury’s Transit From Space, Confirming That Yes, the Sun Has At Least One Planet

Do you wonder how astronomers find all those exoplanets orbiting stars in distant solar systems? Mostly they use the transit…

2 months ago

Power Grids and Satellites Are More at Risk from Extreme Solar Storms Than We Thought

Exactly how dangerous are solar storms? Scientists think the Carrington Event was one of the most powerful ones to ever…

4 months ago

This Star Has Reached the End of its Life

About 10,000 light years away, in the constellation Centaurus, is a planetary nebula called NGC 5307. A planetary nebula is…

5 months ago

When it Comes to Gamma Radiation, the Moon is Actually Brighter Than the Sun

The eerie, hellish glow coming from the Moon may seem unreal in this image, since it's invisible to our eyes.…

5 months ago

How The Sun’s Scorching Corona Stays So Hot

We've got a mystery on our hands. The surface of the sun has a temperature of about 6,000 Kelvin -…

12 months ago

When Does the Sun Rise… Really?

It's strange but true... we may not fully understand one of the simplest metrics in observational astronomy: just what time…

12 months ago

Here’s the First Image of the Sun from the Parker Solar Probe

It's been 124 days since the Parker Solar Probe was launched, and several weeks since it made the closest approach…

1 year ago

Parker Solar Probe Became the Closest Thing We’ve Ever Sent to the Sun. And it’s Just Getting Started.

NASA's Parker Solar Probe is now the closest object to the Sun that we've ever sent into space. On Oct.…

1 year ago

Watch the Sun to Know When We’re Going to Have Killer Auroras

Scientists are getting better at predicting colorful auroras here on Earth by closely watching the behavior of the Sun.

2 years ago

NASA’s Parker Solar Probe Will Touch the Sun — So Can You

Join NASA's most daring mission to the Sun by sending your name along for the ride on the Parker Solar…

2 years ago