Earth is now closer to the sun than at any other time of the year. Here's why our planet's axial tilt, not proximity to the ...

In the distant space out beyond the orbit of Jupiter lurks a strange object. Its name is Chiron, a type of outer Solar System body known as a centaur. But even among its fellow centaurs, Chiron is ...

In a groundbreaking first, the Parker Solar Probe has successfully completed its closest encounter with the Sun. So where ...

NASA's record-setting spacecraft was just 3.8 million miles from the sun's surface—the closest any human-made object has ever ...

The Parker Solar Probe is expected to pass within an "unprecedented" 3.86 million miles of the solar surface on Dec. 24, ...

Behold, the giants! The Hubble Space Telescope has completed a decade of observing Jupiter, Saturn, Uranus and Neptune.

Some stargazers are calling it a planetary parade: Every other planet in our solar system can be seen in the sky tonight.

Operations teams have confirmed NASA's mission to "touch" the sun survived its record-breaking closest approach to the solar ...

NASA’s Parker Solar Probe skimmed the sun on Christmas Eve and lived to tell the tale. The heat-hardened spacecraft made its closest solar flyby yet at 6:53 a.m. EST on December 24. It came within 6.1 ...

Projections suggest auroral activity could increase in 2025 as activity on the sun’s surface maintains a “solar maximum.” ...

NASA’s Parker Solar Probe has successfully completed its record-breaking flyby, coming within just 3.8 million miles (6.1 ...

As Earth completes yet another full orbit around the Sun, an encroaching storm is expected to bathe the planet in a glorious ...