The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are ...

We like to think that our solar system is eternal, but one day, its very epicenter will die. Our Sun, like all stars, had a ...

The sun was heading into a long slumber, but started waking up in 2018, with high solar activity and fluctuating cycles that ...

Earth will move between Saturn and the sun this weekend, offering prime views of Saturn in what's known as "opposition." Here's what to know.

For decades, the search for alien intelligence has revolved around the question: if someone out there is listening, how could ...

Climate activist Bill McKibben said solar power’s rapid growth is good news, even if it could be bad news for Houston’s ...

The horologists behind Vacheron Constantin’s La Quête du Temps reveal how they crafted the mechanical masterpiece to mark the ...