Our Sun, that steady burning ball of gas that has faithfully illuminated Earth for billions of years, is slowly but relentlessly growing brighter. This might sound like good news, but it's actually ...

On Jan. 31, 1958, Explorer 1 became the first satellite launched by the United States. Its primary science instrument, a ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Earth is today at aphelion, the point in its orbit at which ...

At the start of the year, Earth will quietly reach a milestone in its orbit around the sun. Known as perihelion, this is the moment when our planet is closer to the sun than at any other point in the ...

Winter often feels like a long stretch of weak light and cold air. The idea that Earth is actually closest to the Sun during this time can sound wrong, almost misleading. January mornings do not feel ...

Comet 3I/ATLAS was expected to come within 130 million miles of the sun on Oct. 30. For the time being, 3I/ATLAS will remain on the opposite side of the sun from Earth, making it impossible to observe ...

"We consider this phenomenon as a promising candidate to explain the fact that the solar activity is much more benign than that of other sun-like stars." When you purchase through links on our site, ...