While Mercury is the innermost planet in the Solar System, on average it spends more time closer to Earth than Venus does.

The 3I/ATLAS object is unusual because it came to the Solar System from “interstellar space.” 3I/ATLAS is an interstellar ...

A different study by scientist Matthew Hopkins at the University of Oxford and colleagues, used a model that focused on the ...

New measurements of radio galaxies reveal that the solar system is racing through the universe at over three times the speed ...

Our solar system is a weird place. Much more than a home to eight planets, it’s filled with a myriad of fascinating other smaller bodies, including moons, asteroids, and comets. In recent decades, ...

NASA’s Hubble Telescope captures a stunning image of interstellar comet 3I/ATLAS with a 40,000 km glowing halo around its coma. Learn what makes this rare comet special, why it matters to science, and ...

Eight planets, hundreds of moons, hundreds of thousands of asteroids, and billions of comets orbiting our Sun make up our ...

Last month, the European Space Agency used five of the science instruments attached to its JUICE spacecraft to examine ...

About 4.5 million years ago, a great cosmic dog kicked past our Solar System – and its effects may still be seen today.

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...

The picture-perfect launch of twin Escapade orbiters bound for Mars presages a fantastical new age in exploring the planets, ...

Forty years ago, Voyager imaged Uranus and presented the world with a new mystery. Upon further inspection, it may have just ...