NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS ...

A Harvard University astrophysicist has sparked a furious debate by warning he cannot rule out that extraterrestrials are ...

On December 17, Starlink experienced an anomaly on satellite 35956, resulting in loss of communications with the vehicle at ...

On Thursday (Dec. 18), President Donald Trump issued an executive order entitled "Ensuring American Space Superiority." ...

How galaxies assemble their stars and grow over billions of years remains one of the central questions in astronomy. Recent ...

Interstellar comet 3I/ATLAS will make its closest approach to Earth on Friday. New X-ray images could shed light on its composition.

By the authority vested in me as President by the Constitution and the laws of the United States of America, it is hereby ordered: Section 1.  Purpose.

CAPE CANAVERAL, Fla. (AP) — Saturn’s giant moon Titan may not have a vast underground ocean after all. Titan instead may hold ...

As humanity prepares to take its first steps on Mars, a comprehensive report released by the National Academies of Sciences, ...

A stray comet from another star is swinging past Earth. Discovered over the summer, the comet known as 3I/Atlas will pass ...

According to NASA, Hubble took its latest photo of 3I/ATLAS on November 30 using its Wide Field Camera 3 instrument. At that ...

Trump's Truth Social company announced this week that it's merging with the fusion power company TAE, formerly called Tri Alpha Energy.