Artist’s illustration of interstellar comet 3I/ATLAS releasing gas and dust as it passes through the solar system. Astrobiology Web Interstellar comet 3I/ATLAS shows unusually high methanol levels.

Comets are often treated as leftovers, but sometimes the leftovers become the primary focus. That is the case with 3I/ATLAS, only the third known interstellar object seen crossing the solar system, ...

The researchers who scan the skies for radio signals from extraterrestrials are now rethinking their approach.

Solar winds near aliens’ homes – and ours – might be blowing away signs of alien technosignatures by broadening signals The ...

A new study shows that stars with low magnetic activity are likely to support exoplanetary systems, making the hunt for these ...

Donald Trump has ordered the release of files related to aliens, UAP, and UFOs. If previous disclosures are any indication, get ready for a letdown.

Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the source of potential signals than previously thought. Conditions around ...

Stellar plasma can smear alien radio signals before they escape their star system, making them harder for astronomers to detect.

Phil Lord and Christopher Miller turn Bay Area author Andy Weir's novel "Project Hail Mary" into a terrific science fiction popcorn movie.

Beyond that, in the decades to come, we might be able to see the colours of an exoplanet’s surface, and determine if plant life might be present there. And then we can search for changes in a planet’s ...

Turbulent plasma near distant stars could blur ultra-narrow signals before they leave their home star systems - making them ...