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

There's a new interstellar comet in the neighborhood! Known as 3I/ATLAS, this comet poses no threat to Earth – but it does ...

An astronaut aboard the International Space Station has shared a striking photo of what is known as a Transient Luminous ...

The probe's first encounter will be with the asteroid Eurybates in August 2027. According to NASA, Lucy will conduct four ...

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

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

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

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

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

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

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

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