NBC News' Gadi Schwartz reports on "3I/ATLAS," mysterious outer space object that is thought to be billions of years old, ...

Astronomer Avi Loeb argued that other objects like interstellar visitor 3I/ATLAS could be useful for reaching out to aliens, if they exist.

Scientists have captured the first direct images of colliding objects in a neighboring star system. Astronomers have seen the ...

Interstellar object 3I/ATLAS is making its closest approach to Earth in just over a week from now, coming within 167 million ...

Interstellar object 3I/ATLAS continues to display a Sun-facing anti-tail, confirmed by Hubble, Gemini and XMM-Newton ...

A mysterious space rock is going to be it's closest to Earth on Dec. 19. The post Space rock or hostile aliens? Mystery ...

What an amateur astronomer recently took to be a newly discovered asteroid turned out to be a Tesla Roadster voyaging through the cosmos. Yep, you read that right. The infinite vastness of outer space ...

Millions of pieces of debris now circle Earth in space. Scientists are exploring new ways to remove them and protect future ...

A database of objects launched by the United States into space is expected to be launched soon, according to the National Centers for Environmental Information, a division of the National Oceanic and ...

It has been more than a week since reports first emerged about a “glowing ring of metal” that fell from the sky and crashed near a remote village in Kenya. According to the Kenya Space Agency, the ...

The Space Force will need to use AI in new ways to identify and track objects in space—also called “space domain awareness”—as space becomes increasingly congested, the service’s acting deputy chief ...