Each Monday, I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes ...

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

Get ready stargazers, the final full moon of 2025 rises tonight! Here's what to expect when the "Cold Supermoon" looms large ...

Skygazers will be able to spot the Orion constellation in the Northern Hemisphere’s southern sky by 9 p.m. tonight ...

Beyond the local interstellar clouds and their wispy clumps of hydrogen and helium atoms in the form of gas and dust, the ...

Chile’s Atacama Desert is one of the darkest spots on Earth, a crown jewel for astronomers who flock to study the origins of ...

For 19-year-old Gael Gomez, the Mount Pleasant Sidewalk Astronomers has changed his life for the better. But soon, he may be ...

Skywatchers witnessed a spectacular Cold Moon on December 5, 2025, the year's final supermoon. Its proximity to Earth made it ...

It's time for the Geminid meteor shower, one of the strongest of the year. The Geminids peak this weekend and are visible ...

This December's dazzling display comes from a strange asteroid with comet-like behavior—and a tail of debris that astronomers ...

Researchers have found a razor-thin, rotating string of galaxies inside a massive cosmic filament, revealing unexpected ...

The Geminid meteor shower will hit its peak the night of Saturday, Dec. 13, and continue into the morning hours of Sunday, ...