In the leading model of cosmology, most of the universe is invisible: a combined 95% is made of dark matter and dark energy.

A 20-year-old planetarium, never used before, rediscovered by accident, now helps students explore constellations from new perspectives.

Of the seven Earth-sized worlds orbiting the red dwarf star TRAPPIST-1, one planet in particular has attracted the attention ...

Hoosiers won't have to stay up late to see the last supermoon of 2025 when it shines its brightest.

The year's final full moon will hit the skies tonight as temperatures plunge below zero. Here's how Illinois residents can ...

Harry Potter fans, whether you love stargazing or flying lessons, check out the importance and practicality of each of the ...

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

A new joint analysis from the NOvA and T2K experiments offers the most precise look yet at neutrino behavior, bringing ...

The last full moon of 2025 is almost here and it's a supermoon. Here's when it, and other celestial events, happen in ...

For five short December days each year, sunlight pierces the heart of Newgrange, a 5,200-year-old tomb whose perfect ...

The Subaru Telescope’s new Prime Focus Spectrograph (PFS) now carries the name ʻŌnohiʻula, following a naming ceremony Nov.

Astronomers say they may have finally spotted a long‑sought signal from dark matter, the invisible substance that outweighs ...