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

The US led in five major scientific fields, namely geosciences, clinical medicine, biological sciences, astronomy and ...

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

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

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

It's no mystery why December's full moon is commonly referred to as the "Cold Moon," or the "Winter Maker Moon," according to ...

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

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

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

Rotating razor-thin galaxy string found 140 million light-years away shows many galaxies spinning with their filament, ...

I’ll never forget the first time I went hiking in Aspen. I was a young starting professor attending a workshop at the Aspen ...

As our holiday lists begin to take shape and we look for “just the right book” to give or enjoy during the quieter winter ...