The solar system is composed of the sun, eight major planets, five dwarf planets, over a hundred moons, and countless comets ...

When you look at the solar system, you might notice that the planets' orbits are tilted, and oddities in the protoplanetary ...

A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

Just as Earth orbits the sun, most planets discovered beyond our solar system orbit a host star. But some are out there all ...

Beyond Pluto lies a shadowy region filled with frozen worlds, rogue planets, and cosmic debris — a place so remote even ...

Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the ...

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study ...

New Haven, Conn. — Our solar system is a smashing success. A new study suggests that from its earliest period — even before the last of its nebular gas had been consumed — Earth’s solar system and its ...

Chanel has made a dramatic return to showmanship at Paris Fashion Week. New designer Matthieu Blazy opened the season with a ...

KENNEDY SPACE CENTER — SpaceX’s Falcon 9 rocket pierced the Wednesday morning sky as it launched three spacecraft from NASA and NOAA that will study the solar system’s “bubble,” collect information on ...

For decades, astronomers have been awed by Saturn’s ring beauty. But a tiny, icy wanderer drifting between Saturn and Uranus ...