Galileo Galilei, the renowned Italian astronomer and physicist, made groundbreaking contributions to science in the 16th and ...

This rare alignment unfolds low in the western sky during twilight, 30-45 minutes after sunset, where the brilliant white glow of Venus meets the subtler orange-white shimmer of Mercury.

We recommend finding Venus first because it's the easiest planet to spot out of the four that are near the sun. You can then ...

Skygazers, mark your calendars because one of the coolest celestial events is coming around again toward the end of February.

One of the most stubborn issues in cosmology today concerns the universe's rate of expansion. Scientists know it's expanding, ...

It’s not inaccurate to think of the heavens as a clockwork apparatus above our head. We use our planet’s spin to mark a day and its orbit around the sun to mark a year. That annual orbital reckoning ...

PHOENIX — A billionaire-backed philanthropic organization is funding the development of a series of new observatories, including a space telescope larger than Hubble that its backers say can be built ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. We reckon the Celestron ...

CAPE CANAVERAL, Fla. (AP) — The moon and sun share top billing in 2026. Kicking off the year’s cosmic wonders is the moon, drawing the first astronauts to visit in more than 50 years as well as a ...

The dedication of the observatory was held in Washington, D.C. with attendees, from left: Dr. Richard M. Emberson, Lloyd V. Berkner, G. A. Nay, John W. Findlay, Ned L ...

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