At the center of our solar system, the sun influences every planet that orbits it. In two recent studies, scientists uncovered how ancient events in the sun's history may have helped create Earth's ...

WASHINGTON, Aug 18 (Reuters) - The Milky Way, a large and spiral-shaped galaxy that is home to hundreds of billions of stars including our sun, has taken a long and complicated path to achieve its ...

Nothing can escape a black hole—except, potentially, its secrets. Astrophysicists have spied a unique star called S301 whipping around Sagittarius A* (Sgr A*), the supermassive black hole at the Milky ...

Exoplanets are planets that orbit stars other than the sun and thus exist outside the solar system. The word "exoplanet" derives from the term "extrasolar planet," which hints at its existence beyond ...

Discover the best things to see in the night sky this month, from planets to moon meet-ups and deep-sky wonders.

Most of the stars in our Milky Way galaxy sit neatly on a flat plane. But the space around our galaxy is much more chaotic.

WASHINGTON — Scientists are documenting a planetary system in the Milky Way galaxy that is so starkly dissimilar to our own solar system that they are struggling to find the proper terminology to ...

Most people imagine the solar system as a flat, orderly disk floating quietly through space. In reality, NASA’s models show ...