Let’s learn about Capella. It is the fourth brightest star we can see in Ellensburg. It is the brightest northerly star. It ...

Planetariums were a hit with the public. Within decades, they had spread around the world – the first planetarium in the ...

University of Arizona astrophysicist Erika Hamden takes readers on a romp through a "Weird Universe" in her debut popular ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

Scientists have been working on ways to find new worlds far from Earth, and this strange method theorized decades ago has ...

Astronomers have achieved a first in exoplanet hunting by using the Hubble Space Telescope images to investigate a mysterious event that could reveal the existence of a “rogue planet” drifting through ...

The Expanse won praise for its amazing stories and complex characters, but the sci-fi series also nailed scientific and ...

Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

Half toybox, half science project, Kerbal Space Program is the most fun you can have while learning about space. On the ...

Because it doesn't interreact with light or electromagnetism, dark matter exists to us only through its influence on visible ...

A new investigation into old Kepler data has revealed that a planetary system once thought to house zero planets actually has ...

Two studies fill in gaps about the cosmos’s ordinary matter. One maps it all, even the “missing matter.” The other details one of its hiding spots.