Hidden secrets of the outer solar system -- 12. The plutinos -- 13. Is Pluto a planet? -- 14. Goldilocks -- Postscript. Current thoughts by other astronomers -- Appendix. What we know about Pluto Date ...

WASP-121b is unlike anything in our Solar System. This giant planet orbits its star so closely that it completes a full orbit ...

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

Some exoplanets in their stars' habitable zones may be distinctly uninhabitable due to solar flaring. Red dwarfs are known ...

The double star system is called HD 135344 AB and it's about 440 light-years away from Earth. A and B are both young stars, ...

Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

A new interstellar object, A11pl3Z, has been discovered in our solar system, marking the third such object to be observed. It ...

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.

Experts have confirmed that the mysterious object hurtling towards us, previously dubbed A11pl3Z, is an "interstellar object.

Astronomers are reporting the detection of a large object entering our solar system, and it is causing quite the stir in the ...

A MYSTERIOUS cosmic object has been spotted zooming through our solar system – and astronomers say it is only the third of ...