Over a million interstellar objects larger than 100 meters could be in the outer solar system, originating from Alpha ...

The search for interstellar visitors has taken an unexpected turn. While previous discoveries like ‘Oumuamua and Comet ...

Sure, they’re particles and rocks, but they’re still a fascinatingly long way from home. Alpha Centauri is the star system ...

Predictions are uncertain, but the solar system may be pushed farther from the galactic core or even ejected entirely from ...

More than 1 million "interstellar objects" the size of the Statue of Liberty could be drifting unseen in the outer solar ...

The SPHEREx astrophysics mission will take stock of water’s cosmic origins by scanning the galaxy for hidden reservoirs.

Could our solar system have been temporarily exposed to an enhanced flux of cosmic-rays at some point in the ancient past?

In 2011, a project that surveyed the Milky Way galaxy for exoplanets — which are planets beyond our solar system — spotted an ...

offering insights that could reshape our understanding of the Earth-Moon system and the broader solar system. The ...

NASA said the system is thought to be moving at least 1.2 million miler per hour, nearly twice as fast as our solar system.

Astronomers may have discovered a scrawny star bolting through the middle of our galaxy with a planet in tow ... that would ...

Geomagnetic storms also cause problems on Earth. The electric currents they create can overload power plants and cause ...