Evidence that rocky planets beyond Jupiter formed as rapidly, and at the same time, as the inner planets could transform our ...

Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

Have you ever wondered what our solar system looked like 3.8 billion years ago? Were the planets we know today anything like ...

Astronomers have discovered the earliest seeds of rocky planets forming providing a precious peek into the dawn of our own solar system. (AP produced by Javier Arciga) ...

THE mysterious interstellar object blazing through our solar system could be a piece of “possibly hostile” alien technology, ...

Titan is unique in our solar system: it’s the only world besides Earth known to have stable liquids on its surface.

REMARKS BY HER EXCELLENCY DR. JOYCE BANDA FORMER PRESIDENT OF THE REPUBLIC OF MALAWI AND PRESIDENT OF THE PEOPLES PARTY AT ...

Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a ...

For the first time, international researchers have pinpointed the moment when planets began to form around a star beyond the ...

This artist’s concept depicts one of the solar system’s inner planets slamming into Earth after being nudged on a collision course by a passing star. Such a world-shattering cataclysm is ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new simulations show.