Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

A fascinating glimpse into how a solar system like our own is born has been revealed with the detection of planet-forming ...

Astronomers have spotted centimeter-sized “pebbles” swirling around two infant stars 450 light-years away, revealing the raw ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

In the frozen outskirts of the solar system, a reddish dwarf planet orbits in silence. Known as Sedna, it is so distant that ...

The flares may heat up and inflate the planet's atmosphere, which is dominated by hydrogen and helium. Being lashed by these ...

American space agency NASA announced the discovery of a planetary system that isn't flat, has transit timing variations, and shows orbital planes tilting ...

NASA has made a new out of this world discovery. NASA's James Webb Space Telescope recently captured evidence of a new planet ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

It’s officially the third known interstellar object to pass through our solar system and poses no threat to Earth.