Did you know our solar system might have had an extra planet? Scientists believe a mysterious ninth planet once existed but ...

New simulations reveal that around 1 million "macroscopic" objects from our closest stellar neighbors, the Alpha Centauri ...

In January 2025, Venus, Mars, Jupiter, Saturn, Uranus and Neptune were all visible in the night sky. And in February, 2025, ...

The European Space Agency (ESA) is ready to guide the ESA/NASA Solar Orbiter spacecraft through its closest encounter with ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar ...

Sure, they’re particles and rocks, but they’re still a fascinatingly long way from home. Alpha Centauri is the star system ...

Comets without tails, called dark comets, are a newly discovered space object. Now, astronomers know they come in 2 classes.

We typically think of the Oort cloud as scattered ice balls floating far from the sun, yet still tied to it gravitationally.

NASA scientists have detected a star and trailing exoplanet that may be sailing through the Milky Way with unprecedented ...

The young scholars of grade 4 at Carmel School showcased their knowledge and creativity in a subject-related presentation, ...

Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary status.

A tiny star is making big moves — whether its accomplice likes it or not. Astronomers have spotted a star just a fraction the ...