A comet traveling outside the solar system and heading toward the Earth is much larger than scientists first believed, a ...

Astronomers are tracking a newly discovered interstellar visitor called 3I/ATLAS, and early research suggests it may be ...

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

Our solar system’s third discovered interstellar visitor, comet 3I/Atlas, will dip into the glare of the Sun this week, leaving the detective work on this object to spacecraft far from Earth.

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

ESA spacecraft orbiting Mars and monitoring the Sun are stepping in to track 3I/ATLAS, a rare interstellar comet hidden ...

The object, named 3I/ATLAS, was first spotted by NASA on 1 July 2025. It is only the third confirmed interstellar visitor ...

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

Astronomers are racing to study 3I/ATLAS, an interstellar comet whose strange behavior reveals new clues about how other ...

Comet C/2025 R2 (SWAN) is a new visitor from our outer solar system. It may be easier to see as it approaches Earth next week ...

Named 3I/ATLAS, the comet is only the third known interstellar object to enter our solar system, and it's the largest and ...

Hale-Bopp became known as the "great comet" after the previous "great comet of 1811". That comet was visible to the naked eye for around 260 days, and was the record-holder until Hale-Bopp came into ...