Around 4.4 million years ago—long before humans existed—two massive, blazing-hot stars swept past our solar system. They didn ...

Which planet is the furthest from the sun? Some may think it’s Pluto, but it’s actually Neptune. Learn more about this ice giant and how it can help us understand more about planets in our Solar ...

Solar flares and other activity can disrupt radio communications, power grids and navigation signals, according to NASA.

About 4.5 million years ago, a great cosmic dog kicked past our Solar System – and its effects may still be seen today.

According to the team’s findings, hydrogen cyanide is emerging close to the comet’s rocky nucleus, at rates between 250 and ...

New high-contrast images from SPHERE show a stunning variety of debris disks shaped by collisions of tiny planet-building ...

Voyager 1 and 2 traveled billions of miles to reach the heliopause, showing how the Sun's magnetic influence marks the ...

Mercury is the innermost and smallest of the eight major planets in our Solar System, orbiting closest to the Sun. Though ...

Scientists find that two hot stars passed near our solar system 4.4 million years ago, altering nearby interstellar clouds.

(Reuters) -The robotic Solar Orbiter spacecraft has obtained the first images ever taken of our sun's two poles as scientists seek a deeper understanding of Earth's host star, including its magnetic ...

BRITS are clueless about our solar system – with four in 10 unable to identify the biggest planet and a quarter uncertain ...

Learn more about two of the earliest reports of a total solar eclipse and corona, which were recorded in China, and solve ...