December for lovers of astronomy is highlighted by the Geminids meteor shower, as Greg Redern highlights in December’s ...

"Asteroseismology with Roman is possible because we don't need to ask the telescope to do anything it wasn't already planning to do." ...

As the final month of the year begins, early evenings offer just one naked-eye planet. Fortunately for us, that lone world is Saturn. The ringed planet lies high in the northwest as twilight fades, ...

On Nov. 2, 2000, the crew of NASA’s Expedition 1 opened the hatch to the International Space Station, which was the beginning ...

The long nights of December are an astronomical delight. The early evening sky hosts Saturn as the main feature, along with ...

Skywatchers across the Northern Hemisphere are in for a captivating celestial show this weekend, with the Moon appearing ...

Currently there is a third “interstellar interloper” now passing through the solar system designated as 3i/ATLAS, for the ...

I have covered a lot of sky over the years, and I hope you have learned a little about our universe and gained an appreciation of the sky.

NASA's Nancy Grace Roman Space Telescope, set to launch between autumn 2026 and May 2027, is already surprising scientists ...

Dennis Herrmann developed a life-long interest in astronomy at an early age and got his first telescope at the age of 12.

When a faint green smudge appeared in images from a backyard telescope in Aguadilla, Puerto Rico, on Nov. 22, 2025, astronomers did not expect it to upend basic assumptions about how comets work. Yet ...

As twilight deepens the week of November 24 to 28, the waxing crescent moon appears in the south to southwest, above the setting Teapot asterism.