As the first Hispanic woman to travel to space and director of NASA’s Johnson Space Center, the former astronaut has broken ...

To catch a glimpse, timing and preparation matter. Astronomers recommend observing before sunrise, starting from 11 November, ...

Bezos’ Blue Origin is prepping for New Glenn rocket launch. Weather permitting, it may be visible in the sky beyond the pad ...

Comet 3I/ATLAS, the third confirmed interstellar visitor, is making its final exit from the solar system — and skywatchers ...

Following its perihelion, or closest approach to the sun, comet 3I/ATLAS is expected to reappear in our skies. Observers ...

Follow our live coverage from Republic reporters of the effect of the federal government shutdown on air travel and Phoenix Sky Harbor flights.

A colossal black hole 10 billion light-years away has been caught devouring one of the universe’s biggest stars, unleashing a ...

Is a sun a star or a planet? While science now agrees the sun is a star, new telescopes may soon challenge how we define ...

Gaia’s full-sky survey generated a massive database tracking how asteroids reflect light as they rotate. These measurements, called light curves, reveal changes in brightness over time. When ...

The interstellar comet 3I/ATLAS, the third confirmed object to enter the solar system from beyond the Sun's gravitational ...

The image, reportedly created using spectrum analysis, has not yet been verified but has sparked widespread curiosity about ...