The largest interstellar comet discovered could be an alien technology. The newly found Manhattan-sized object, named 3I/ATLAS, is approximately 7 miles wide and racing through our solar system.Avi ...

3I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's not aliens.) ...

Astronomers have discovered a "fossil" body residing on the outskirts of the solar system, according to new research. The object – which goes by the formal designation 2023 KQ14 but is nicknamed ...

Following the historic discoveries of ‘Oumuamua and 2I/Borisov, astronomers have now confirmed the presence of a third interstellar object passing through our solar system. This groundbreaking ...

A renowned physicist believes he's cracked the mystery of where a giant unidentified object hurtling through our solar system came from.

Texas removes 1.8 million people from health care plan I’m a microbiologist. Here’s how often you should really wash your bedding Science Officially Confirmed That The 10,000 Steps Rule Is ...

Binary star orbits are oriented randomly. Sometimes, it happens that a telescope’s line of sight aligns with the plane a binary star system orbits on. This fortuitous alignment means the stars ...

New simulations suggest that up to four of the solar system's rocky planets, including Earth and a long-lost world, once orbited in mathematical harmony around the infant sun. Analysis of an ...

The team rushed to write a scientific paper on what they know so far about the object, now called 3I/ATLAS, after NASA's Asteroid Terrestrial-impact Last Alert System, or ATLAS.