An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar ... an email to Live Science.

Scientists have discovered a new ring system around a dwarf planet on the edge of the Solar System ... world's largest optical telescope, the 10.4 metre diameter Gran Telescopio Canarias (GTC ...

Astronomers have revealed new research showing that millions of new solar system objects are likely to be detected by a brand-new facility, which is expected to come online later this year.

Is this all we’ll ever accomplish beyond the Solar System, a scattering of wayward ... the nearest star to the Sun, which sits 4.246 light-years away. Our choice of light-year as a unit here ...

Astronomers have re-calculated the age of our solar system ... than 4.5673 billion years. “1.1 million years is a small change,” says Conel Alexander at the Carnegie Institution for Science ...

The organic ingredients to life, hints to where Earth’s water came from, and the fundamental building blocks of our planet and the solar system seem like a lot to fit in 4 ounces of dusty ... samples ...

“It’s completely plausible for our solar system to have captured such an Oort cloud planet,” says Nathan Kaib, a co-author on the new work and an astronomer at the Planetary Science Institut ...

A planet-size object that possibly once visited the solar system may have permanently changed ... not too little," she wrote ...