So in some sense, alien worlds were not first discovered in the 1990s or even the 1980s. It took nearly a century to fully ...

Europe's star-mapping Gaia space observatory has entered its retirement orbit, after gathering valuable cosmic data for more ...

After more than a decade of mapping the stars, the European spacecraft was shut down on Thursday. But its legacy lives on.

The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and ...

The European Space Agency (ESA) has powered down its Gaia spacecraft after more than a decade spent gathering data that are ...

Two new exoplanets have been discovered orbiting a star belonging to a binary pair located about 250 light-years from Earth in the Draco constellation. | Credit: Martin Farnir Astronomers have ...

The moon dims, the meteors fly, and the planets dance—these are the most exciting celestial events happening this month.

The gas has been observed directly by the James Webb Space Telescope on four exoplanets ... thumb in front of the sun when you look at the sky,” Balmer said. This setting, similar to a solar ...

A Curious Blue Swirl of Light Captivates Sky Watchers in Europe The Met Office, Britain’s weather service, said the light was most likely caused by a SpaceX rocket launch. Advertisement 0:27 NOW PLAYI ...

SEE ALSO: Webb telescope captures weird auroras on Neptune for the first time The sun's nearest stellar neighbor, Proxima Centauri, likely clobers any orbiting exoplanets with radiation ...