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

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

Folks, it's official: the object that astronomers recently spotted blowing through the outer solar system came from ...

Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our Solar System – only the third ...

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.

NASA telescopes in Chile have discovered a comet from interstellar space, making its closest approach in October.

Astronomers have revealed new research showing that millions of new solar system objects are likely to be detected by a brand-new facility, which is expected to come online later this year.

At an epic timescale "comparable to the age of the solar system," which is 4.6 billion years old, the researchers believe that the spiral arms formed when "small bodies" were pushed out of the ...

WASHINGTON, May 30 (Reuters) - Scientists have identified an object about 435 miles (700 km) wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet ...