A new Southwest Research Institute-led study proposes a solution to a longstanding puzzle in planetary science: What caused ...

A comet born around a distant star is now tearing through our solar system at roughly 150,000 miles per hour, and astronomers ...

For July 2026, the moon is last quarter on July 7, passing north of Saturn in the dawn sky. The waning crescent moon passes ...

This past year, we’ve been blessed with a heavenly host of celestial phenomena, and the entrants of the ZWO Astronomy ...

Celebrating America's 250th birthday, Space.com looks back at what our understanding of space was like in 1776 and what major ...

Three days from now, on July 6, Earth will be at its farthest distance from the sun, the aphelion point of its elliptical ...