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 ...

The Quadrantids’ radiant lies in the now-defunct constellation Quadrans Muralis, a region of the sky occupied by Boötes. It’s ...

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 ...

The Parker Solar Probe, partly designed by students and researchers in Colorado, survived its closest encounter with our sun, ...

Earth will reach its closest point to the Sun, an astronomical event called Perihelion Day. This annual occurrence happens every January and offers a fascinatin ...

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

Happy New Year and happy perihelion day! Earth is closest to the sun today at just 91,406,000 miles (1.55 million miles ...

It's a new year and that means new astronomy events to look out for. Here's what you can see from Australia in 2025.

January's sky brings a planet parade, Mars opposition, and the Quadrantid meteor shower. Enjoy Venus and Saturn's close ...

From a total lunar eclipse to meteor showers to space probes, 2025 will be stellar for celestial viewing. Those and more will ...