The city of Flagstaff has taken big steps to preserve the clarity of its night sky. Find out the best ways to experience the ...

One of the key objectives of the new space observatory will be to search the Milky Way galaxy for essential building blocks ...

February stargazing is fantastic for many reasons, but this year there’s a one-two-three punch of bright planets adding to ...

A dive into probabilities, asteroid impact modeling, and what sort of damage an approximately 180-foot asteroid could cause ...

The risk of impact is likely to drop to zero as observations of Asteroid 2024 YR4 continue.

The odds are about 1% that the football field-sized object could hit the Earth, but that makes it the closest call in more ...

Just a couple of days after a major winter storm coated the summits of Mauna Kea and Mauna Loa with several inches of snow, with strong winds whipping the white stuff up to blizzard conditions at ...

The success of SpaceX and other private-sector space firms is throwing up hard questions about America's "great national ...

February stargazing over Pottsville is fantastic for many reasons, but this year there is a one-two-three punch of bright planets adding to the thrill. If you live with the winter cold, do not let ...

Mysterious little red dots threatened to overhaul modern cosmology—but new research may have solved the celestial conundrum.

February stargazing over Butler is fantastic for many reasons, but this year there’s a one-two-three punch of bright planets adding to the thrill! If you live with the winter cold, don’t let that ...

Astronomers have identified a quasar that may help explain how the universe’s “dark ages” finally ended. Astronomers have ...