Since the dawn of the solar system, rocky visitors from deep space have blazed across Earth’s skies. When will the next asteroid or interstellar object make its pass by our planet?

On May 22, 2026, the Pentagon released a second batch of previously classified photos and videos showing what appear to be ...

Harvard astronomer Avi Loeb suggests interstellar objects like 3I/ATLAS might be seeding life across the universe, proposing ...

Harvard astrophysicist Avi Loeb suggests 3I/ATLAS may carry extraterrestrial life, sparking debate on panspermia; evidence remains unproven.

In November 2025, two spacecraft on opposite sides of an interstellar comet did something no observatory on or near Earth ...

He says it may be seeding life like an "interstellar gardener." The post Scientist Suggests That 3I/ATLAS May Have Seeded ...

When the interstellar object 3I/ATLAS entered the Solar System, astronomers quickly realized it was unlike anything they had seen before. Its age, trajectory, composition, and origin sparked intense ...

Interstellar comet 3I/ATLAS was almost called 3I/Rubin, after researchers found that the giant survey telescope coincidentally spotted this visitor from the stars over a week before it was officially ...

Harvard astronomer Avi Loeb suggests interstellar object 3I/ATLAS may have intentionally or naturally spread life-building ...

Though long theorized to exist, the first exoplanet was detected in 1991. Since then, their known diversity has increased exponentially.

Last fall, a Chinese spacecraft orbiting Mars captured images of a comet from another star system, offering scientists a ...

The comet that rambled past us from another star last year likely originated in a cold, isolated corner of the galaxy that had yet to gel into its own solar system, astronomers reported Thursday.