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

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

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

There's a new interstellar object moving through our solar system and it's called 3I/ATLAS, according to NASA.

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

Sedna will reach its closest approach to the Sun in 2076, providing a remarkable space-faring opportunity that won’t come ...

"Its occurrence is like finding a tropical seed in Arctic ice – indicating either an unexpected local environment or ...

The interstellar object has been named 3I/Atlas by the International Astronomical Union’s Minor Planet Center.

A potential interstellar interloper is currently zooming toward the Sun. Its strange approach angle suggests it may have come ...

Scientists with NASA’s Lucy mission are finally wrapping up the process of refining the data gathered by the spacecraft’s ...

Even if Earth does survive, it won’t be pretty. The temperature of our planet will be about 1,300 degrees C, hot enough to ...