Earth has a new friend — and it’s been waiting for us to notice it for decades. In a new study published in the journal Research Notes of the American Astronomical Society, astronomers report the ...

Far from the bright glare of the Moon, a much smaller companion has been quietly keeping pace with Earth, looping around the ...

NBC News' Gadi Schwartz reports on "3I/ATLAS," a mysterious outer space object that is thought to be billions of years old, making its closest approach to Earth, giving scientists an opportunity to ...

In early July, astronomers spotted a mysterious object, later dubbed 3I/ATLAS after it was confirmed to be the third-ever interstellar visitor cruising through our solar system. Last week, the object, ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

The vast majority of matter is dark – invisible until it is detected only through its gravitational effects. The newly discovered object could be a clump of dark matter, or it could also be a compact, ...

Using a worldwide network of radio telescopes including the Green Bank Telescope in West Virginia, astronomers have discovered a mysterious object in the distant universe. A million times the mass of ...

A mysterious object found deep in the cosmos could soon have astronomers rethinking what they know about dark matter. That's according to a team of researchers who turned to a global network of ...