Cannibal’ solar storm could be biggest to hit planet for 20 years, experts warn - Increased solar activity means the Northern ...

The Sun, our nearest celestial neighbor, is undeniably a star, not a planet, as centuries of astronomical observations have ...

There are no confirmed exomoons, moons orbiting distant exoplanets in other solar systems. There are a few candidates, but ...

What: Astronomers using JWST and ALMA have captured the earliest known stage of planet formation around the protostar ...

As telescopes have become more powerful, it’s turned out our solar system is not the only game in town: There are millions of ...

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to form in ...

At a young age, we're told how the sun warms Earth and makes life possible. That idea sticks with most of us for life. But ...

Astronomers have discovered that aging stars may be devouring their closest giant planets as they swell into red giants.

Nearly a century after Pluto’s discovery, astronomers are still hunting for mysterious planets beyond Neptune - including a ...

A coronal mass ejection on another star has been witnessed in its entirety for the first time, revealing that when these ...

Water isn't just delivered to planets by comets and asteroids — it can also be forged as worlds form, a new study finds.