And in the past decade, more than 20 spacecraft have ventured into the deepest reaches of our solar system. These probes ... sending back pictures that humble or awe, even as they advance ...

The relative size of the inner planets of our solar system: Mercury, Venus, Earth and Mars. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert!

After five years in deep space, Solar Orbiter has again amazed scientists with an unprecedented high-resolution image of the ...

Solar Orbiter just delivered its most jaw-dropping image yet—an enormous, detailed snapshot of the Sun's blazing outer ...

Voyager 1 is currently speeding toward the Oort cloud, the edge of our solar system, at nearly 36,000 miles per hour. This image of Mars was first created from high-resolution images taken by ...

The James Webb Space Telescope has captured its first direct images ... pretty big implications," Balmer said. "If you have these huge planets acting like bowling balls running through your solar ...

Credit: Frederic J Brown/AFP/Getty Images Mike Brown ... the formation of the solar system, I think most astronomers would have said that we understand it pretty well. But in the last 25 years ...