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

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

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

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

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

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

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

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

FROSTI is a new adaptive optics system that precisely corrects distortions in LIGO’s mirrors caused by extreme laser power.

Harry Potter movies cut a key Hogwarts discipline and with no pushback from J.K. Rowling, shows how much of the school ...

Astronomers, ecologists, and other scientists from around the world submitted mind-bending images representing their fields.