The near-Earth asteroid Bennu contains stardust that is older than the solar system and clues about its violent history, ...

Interstellar object 3I/ATLAS shows an unexpected frontal glow that Harvard's Avi Loeb says cannot be explained by sunlight ...

In the past decade, astronomers have witnessed three interstellar objects (ISOs) passing through the solar system. These ...

NASA's $10 billion space telescope studied the third interstellar object to enter the solar system, measuring the chemical ...

The newest scans of the mysterious visitor heading toward Earth have revealed that it's not like any other space object we've ...

NASA's telescopes have captured detailed observations of interstellar object 3I/ATLAS, confirming it as a natural comet rich ...

A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system. The Hubble ...

Mundane wayward space rock, or extraterrestrial visitor? Astronomers believe that our solar system's latest and only third ...

Interstellar object 3I/ATLAS — which is zooming through our inner solar system — appears to be emitting its own light, ...

A Harvard scientist has suggested that an interstellar object passing through the solar system might be a nuclear-powered alien spaceship. Most astronomers believe the object, dubbed 3I/ATLAS, […] ...

A respected Harvard astrophysicist has shared new claims about the mysterious interstellar object in our Solar System, saying ...

A NASA observatory has noticed a cloud of CO2 around 3I/ATLAS. Harvard scientist Avi Loeb says there is no water cloud and no ...