The moon will pass directly in front of the sun on Feb. 17, setting the stage for a dramatic annular solar eclipse.

Early last year, asteroid 2024 YR4 caught the public’s attention as its chances of hitting Earth in the near future climbed ...

An asteroid that is small can shift into the neighbourhood of earth at the tremendous speed yet still be considered routine. An object named 2026 CC is approximately 100 feet in diameter and traveling ...

The John J. McCarthy Observatory - run by volunteers on the grounds of New Milford High School - has been watching the night sky for 25 years.

I spoke to Unistellar co-founder and SETI astronomer Franck Marchis about how citizen scientists are using smart telescopes to engage in planetary defense, research and observational astronomy. Here’s ...

Rudy Frederick has been keeping an eye on the heavens for years, fascinated by what’s beyond the limits of Earth’s atmosphere ...

For a long time, scientists assumed that Earth's water was delivered by asteroids and comets billions of years ago. This coincided with the Late Heavy Bombardment (ca. 4.1 to 3.8 billion years ago), a ...

The Lunar Reconnaissance Orbiter, an uncrewed NASA probe, captures images of Mare Orientale, a lunar site never seen directly with human eyes. Credit: NASA GSFC / Arizona State University / Getty ...

Asteroids capable of flattening a metropolis are no longer the stuff of science fiction, and the latest “city destroyer” headlines are a reminder that the stakes run from millions of lives to the loss ...

Two Americans and astronauts from Japan and Russia landed in a SpaceX capsule in the Pacific Ocean after a medical issue prompted NASA to move up their return to Earth. Kenneth Chang Two American ...