The Sun, an ever-burning ball of gas at the center of our solar system, has always fascinated people. But now, scientists are ...

The solar system floats inside a vast, million-degree hot bubble—an invisible cocoon of thin gas that glows in X-ray light. Known as the Local Hot Bubble (LHB), this low-density cavity stretches more ...

International astronomers have for the first time witnessed the birth of a planetary system beyond Earth's sun that could one ...

Scientists have issued a concerning update on a mystery interstellar object travelling through our solar system.

Evidence that rocky planets beyond Jupiter formed as rapidly, and at the same time, as the inner planets could transform our ...

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

Aliens are visiting our solar system. Not little green men, sadly, but natural alien objects—cosmic bodies such as comets and ...

"If Earth were to leave the solar system, it's very likely that the vast majority of life as we know it would disappear. Almost all the energy used by Earth's living organisms originates from the ...

A newly discovered object, dubbed A11pl3Z, appears to be moving too fast and straight to have originated in the solar system.

Astronomers witness first moments of planet formation as rock grains crystallize around distant star HOPS-315.

There may be another world lurking between the orbital lines of our solar system. Astronomers in Japan have published their theory of an “Earth-like planet,” dubbed Planet Nine, that’s ...

Around 40 light-years away, seven Earth-sized planets have been spotted orbiting closely around a small, ultra-cool star. It’s one of the largest solar systems that’s ever been discovered ...