A cigar-shaped rock zooming through our Solar System — the first object from a foreign star system ever spotted in our midst — is cloaked in a coat of organic material, astronomers said Monday. Dubbed ...

Gas giants are truly fascinating. While our solar system has Jupiter and Saturn that are categorized under the umbrella, several gas giants exist outside our neighborhood as well. The largest of them, ...

In July 2025, astronomers spotted something remarkable passing through our Solar System, an object that had not come from anywhere nearby. Called 3I/ATLAS, it was travelling so fast and on such an ...

Add Yahoo as a preferred source to see more of our stories on Google. A giant cloud of vaporized metal may be hiding a secret planet or second alien sun in a nearby star system, a new study reveals.

Seattle-area nonprofit group kicks off a campaign to raise $15 million and solicit bids for a milestone interstellar mission.

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of an exoplanet in an alien star system. New research suggests that radio emissions from intelligent aliens may be ...

Scholz’s star is a red dwarf and alongside it there was a brown dwarf; both of which are failed stars that couldn’t muster enough mass to get any fusion going in its mass. However, as recently as ...

The interstellar comet 3I/ATLAS was the third object ever discovered in our solar system that originated from another star system. Despite a viral conspiracy theory, NASA officials have repeatedly ...

NASA and the European Space Agency announced Monday that the James Webb Space Telescope has produced the first mid-infrared chemical fingerprint ever obtained from an interstellar object, detecting ...

For the first time, astronomers have detected radio signals from a planet beyond our solar system, according to a study available on the preprint server arXiv. The landmark observation offers a new ...

Astronomers have searched a nearby system with two stars for giant planets—and found none. But the result could help guide future searches for smaller, rocky worlds, including planets that might have ...