Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

The exoplanet, a planet beyond our solar system, has been dubbed TWA 7b after NASA's James Webb Space Telescope captured evidence of it.

Zooming in on 78 disks in the Ophiuchus star-forming region, scientists saw hitherto undiscovered structures around young ...

Detecting exoplanets is one thing, but imaging them is another thing entirely. Astronomers can detect them by the way they ...

When most of us think about theweather on other planets, we imagine extreme conditions—boiling acid rain, methane snow, or ...

Our solar system is made up of the sun and all the amazing objects that travel around it. Learn more about the planets, asteroids, and comets in our solar system. 3:55. Solar System 101.

Given just how big space is, the solar system seems like it shouldn't be too mysterious. But there are actually plenty of ...

The ‘small wonders’ unlocking secrets of the solar system. Modern astronomy is giving us unprecedented views of the asteroids, comets, and other small bodies that litter our cosmic home.

A possible cousin of Pluto seems to be circling the far reaches of the solar system. The dwarf planet candidate 2017 OF201 travels in a superwide orbit, with the sun relatively near one end of its ...

The sun is unique in that it's the only star in our solar system. Up to 85% of stars have at least one companion star. The sun contains over 99% of the mass of our entire solar system.

A possible new dwarf planet has been discovered at the edge of our solar system, so far-flung that it takes around 25,000 years to complete one orbit around the sun. The object, known as 2017 ...