A comet traveling outside the solar system and heading toward the Earth is much larger than scientists first believed, a scientist has detailed in a new report. Avi Loeb claims the comet could even be ...

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.

Look up for a possible meteor storm, a 'super' Harvest Moon, and telescopes should be aimed to the east at the end of October to potentially spot an alien comet in our sky.

NASA's Perseverance rover on Mars has collected its 24th sample of Jezero Crater. The 'Comet Geyser' sample is "great for biosignature studies," according to the space agency's Jet Propulsion ...

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

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

New data from the International Gemini Observatory revealed the object has grown in its estimated size, with it now weighing more than 33 billion tons.

The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously thought, astronomers say. A comet named 3I/ATLAS likely weighs more than 33 ...

I nterstellar comet 3I/ATLAS is about to vanish from view. Earth and this interstellar interloper will be on opposite sides of the Sun for a little while. The glare of our star will be blocking the ...

Harvard scientist Loeb says comet-like 3I/ATLAS is far larger than expected and could offer clues about alien technology.

Loeb has also pointed out that the object’s highly unusual trajectory brings it suspiciously close to Jupiter, Mars, and Venus. In just over a week from now, 3I/ATLAS will come within just 1.67 ...