"NASA's planetary defense budget is less than one percent of the total space agency. That's not enough to ever do anything." ...

Just before 9 a.m. EDT on March 17, a meteor entered the atmosphere over Lake Erie and caused a sonic boom recorded on video ...

Shooting stars and the occasional fireball may be seen whenever the constellation Aquarius is above the horizon.

A comet born around another star is carrying water unlike anything ever measured in our solar system. Observations of ...

A comet named 3I/ATLAS was first discovered on July 1, 2025, and is located about 420 million miles away from Earth, ...

Astronomers analyzed the vapors coming off the comet when it neared the sun and found it had a lot of "heavy" water. That ...

May 2026 will bring skywatchers the Eta Aquarid meteor shower and a Blue Micromoon. The meteor shower peaks May 5–6, with visibility reduced by an 84% illuminated waning gibbous Moon. The month’s ...

The Eta Aquarids meteor shower is caused by debris from the famous Halley's Comet. This meteor shower will be active from ...

There are tens of thousands of near-Earth objects (NEOs) that represent some of the most easily accessible resources in the ...

Coloradans who look up at the night sky this Earth Day could catch a glimpse of two celestial phenomena. Colorado astronomy ...