A mysterious comet from beyond our solar system is giving astronomers a rare glimpse into alien worlds — and it may have formed in a place far colder and stranger than anything around our Sun. The ...

Astronomers using radio telescope observations to get an inside look at an interstellar comet have gleaned new insights into when and where the celestial object formed. The comet, named 3I/ATLAS, ...

Comet 3I/ATLAS has much more "heavy" water than comets that formed in the solar system, according to a new study. Hans Anderson, Michigan News Our time with our interstellar visitor, comet 3I/ATLAS, ...

When French entrepreneur Barbara Belvisi arrived in California with two suitcases and a concept for a space greenhouse, she did not have a working prototype or a commercial customer. What she had was ...

Comet 3I/ATLAS continues to make astonishing headlines, thanks to new findings from astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA). This new research reveals that 3I/ATLAS ...

Despite competition from box-office-crushing hobbits, X-Men, and Autobots, Christopher Nolan’s Interstellar landed as one of 2014’s big theatrical hits. But its ultimate legacy wasn’t clear at the ...

The interstellar comet 3I/ATLAS was confirmed in July 2025 as the third known object to visit our solar system from interstellar space. Despite conspiracy theories, scientists say 3I/ATLAS shows all ...

In late 2025 a mysterious comet flew between the orbits of Earth and Mars and reached a speed of more than 150,000 miles per hour during its closest approach to the sun. The rare interstellar guest to ...

Japanese startup Interstellar Technologies is developing Zero, a small launch vehicle. Credit: Interstellar Technologies WASHINGTON — Japanese launch vehicle startup Interstellar Technologies has ...

Interstellar comet 3I/ATLAS made its closest approach to Earth on Friday, Dec. 19. The comet will pass within about 170 million miles of our planet and poses no danger. While not visible to the naked ...

An interstellar comet first spotted passing through our solar system in July is beginning its departure from our corner of the universe — but first it will fly by Earth, and scientists are capturing ...