Plate tectonics give Earth its mountains, earthquakes, continental drift and maybe even helped give rise to life itself. But do other planets in the solar system have them too?

A recent study in Icarus suggests a wandering star could disrupt our solar system. Simulations reveal that a star passing within 10,000 AU might destabilize Mercury's orbit, potentially affecting ...

According to researchers writing in the journal Icarus, a rare but possible event could one day push Earth out of the solar system entirely. The culprit? A wandering star.

“An Earth-like planet far beyond Neptune could redefine our understanding of the solar system,” says Lykawka. He adds, “It would not only restore the count of nine planets but also challenge ...

Scientists from UNSW Sydney have located a potential new exoplanet -- a planet that orbits a star outside of our solar system -- using a technique known as 'transit timing variation'.

Primordial helium from the beginning of the solar system may be stuck inside Earth's solid core, new research suggests. The findings could have implications for a long-standing debate about how ...

A Caltech experiment demonstrated space-based solar power’s potential, marking a key step in harnessing orbital renewable energy.

The latest work from the CfA-led team shows that such super-Earth planets are also common in the outer regions of other solar systems.

Seeing the Aurora Borealis dance in the night sky is a bucket list item for countless people, but the enchanting phenomenon is not exclusive to Earth. Decades of research and the use of advanced ...

Almost 20 years after Pluto was infamously downgraded from its status as a planet, scientists now believe they have discovered a new planet in our solar system.

Dinosaur-killing Chicxulub asteroid formed in Solar System’s outer reaches Rock samples hold clues to origin of impactor that sparked a mass extinction 66 million years ago.

How Did the Solar System Form? The tale of our sun may begin with another star: a predecessor whose fiery death brought about the birth of our solar system.