Astronomers have used the European Southern Observatory's Very Large Telescope (ESO's VLT) to study the composition of ...
The interstellar comet is a fossil from a planetary system that formed a long time ago in an area of our galaxy far, far away.
Interstellar comet 3I/ATLAS carries isotopic ratios entirely outside the Solar System range, ESO’s Very Large Telescope has ...
Based on the composition of gases spewed by the icy space rock, researchers estimate that our guest might be up to 12 billion ...
A comet born around another star crossed into our solar system, accelerated to roughly 153,000 miles per hour at its closest ...
PARIS, France — An interstellar comet that blazed past the Sun last year could be nearly three times older than our Solar System and is unlike anything ever before seen in our cosmic backyard, ...
What can 3I/ATLAS teach astronomers about the origins of life?
In the latest research, telescope observations of 3I/ATLAS examine its chemical structure and suggest that it took shape in a ...
One year ago, on July 1 2025, astronomers discovered a fascinating new object moving through the Solar System. Detected by ...
Using carbon isotopes in the comet to estimate its age, the authors believe it may be even more ancient than earlier estimates had suggested—as old as 12 billion years. That’s far older than our own ...
For obvious reasons, the Sun’s influence weakens as you get closer to the edge of the solar system. But things might be a lot ...
Astronomers first spotted Comet 3I/ATLAS in June 2025, and it was later confirmed as an interstellar visitor that originated ...