In July 2025, astronomers spotted something remarkable passing through our Solar System, an object that had not come from ...

Based on evidence collected by the James Webb Space Telescope, researchers have found that interstellar comet 3I/ATLAS could ...

Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents preserved fragment of ancient planetary system ...

To date, over 5000 exoplanets have been discovered using telescopes on the ground and in space. Credit: NASA/JPL-Caltech ...

Astronomers have revised the mass of nearby exoplanet GJ 3378 b, recasting it as a rocky super‑Earth in the habitable zone ...

Could alien life exist closer than we think? The Sky at Night team investigate.

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, ...

A planet with one side permanently roasting and the other frozen in endless darkness might still have a chance of supporting life. Researchers found that heat inside a tidally locked exoplanet could ...

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

Professor Avi Loeb gained prominence in 2017 after the discovery of ‘Oumuamua, the first known interstellar object to pass ...

Get the latest federal technology news delivered to your inbox. You might think this column is about UFOs and the Pentagon's ...