Astrophysicist Josep Trigo-Rodriguez of the Institute of Space Sciences near Barcelona, Spain, believes it is an interstellar ...

The Milky Way's core will be visible this month and through August. Here's what Tennessee stargazers should know.

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

Using gravitational microlensing, scientists have discovered a rare, large planet at the edge of the Milky Way. The planet is ...

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

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

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

NASA’s SPHEREx mission is mapping the entire sky in 102 infrared colors, turning raw space data into a public tool for ...

WASHINGTON (Reuters) -Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an ...

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

For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

The comet should be visible by telescope through September, before it gets too close to the sun, and reappear in December on ...