Interstellar comet 3I/ATLAS is just the third such object ever confirmed to have entered our solar system. It has attracted ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

The National Aeronautics and Space Administration has confirmed an interstellar object is passing through our solar system.

The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously ...

Harvard researcher Avi Loeb says comet 3I/ATLAS weighs 33 billion tons and spans 3.1 miles, making it far larger than ...

NASA scientists have recently made a groundbreaking discovery about potential alien life within our own solar system, a ...

Two recent studies used seismic data from NASA’s retired InSight mission to shed light on what lies beneath Mars’ surface and what it means for the planet’s history The spacecraft will map the ...

NASA is tracking an object that is entering the solar system at approximately 245,000 km/h. This interstellar visitor is ...

3I/ATLAS, an interstellar object currently zipping through the solar system, is capturing the attention of astronomers, the ...

Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its nebular gas had been consumed—Earth's solar system and its planets looked more ...