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 composition of crystals in volcanic rocks changes with their ages in ways that correlate with the Solar System’s ...

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.

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 ...