A team of scientists from around the world has created the first system that can predict when and where extremely powerful ...

Sunspots are cooler areas on the sun's surface that appear darker compared to their surroundings. These solar blemishes are ...

If you think auroras on Earth are a strange and mesmerizing sight, that's nothing like what occurs on the perplexing world of Uranus.

Far beyond Neptune, in the frozen depths of the Kuiper Belt, many ancient objects oddly resemble giant snowmen made of ice ...

New observations show a small Saturn moon has generated electromagnetic waves that extend more than 313,000 miles behind it inside Saturn’s magnetic field. That newly measured reach reveals a tiny icy ...

Why do some places wait 1,000 years to see a total solar eclipse while others get two in a decade? The surprising orbital ...

The moon crossed the sun's path on February 17, causing what is known as an annular solar eclipse. The sun was not covered ...

Sky This Week is brought to you in part by Celestron. Friday 20Once the waxing Moon sets this evening, its disappearance ...

Comet 29P/Schwassmann-Wachmann 1, a city-sized icy body that orbits the Sun at roughly 6 astronomical units, is known for sudden outbursts that can produce a glowing coma with a spiral, ...

Scientists at Lawrence Livermore National Laboratory simulated one million satellite orbits in the vast stretch of space ...

Imagine an object so colossal that, if it occupied the place of our Sun, its surface would extend beyond the orbit of Saturn. Imagine a star that challenges not only the known physical limits, but ...

Following a massive cryovolcanic eruption, the mysterious Comet 29P/Schwassmann-Wachmann has been morphed into a giant spiral ...