The Earth stands alone in the solar system as a habitable world, as far as we know. But that doesn’t mean we don’t get visitors, most often in the form of (usually harmless) asteroids. Some even ...

On Sept. 21-22, a partial solar eclipse will see the moon sweep over the sun's disk, blocking its light over a swathe of the ...

Researchers are discussing 2025 PN7, a small celestial body that's following a similar orbital path to our planet's without being gravitationally tied to Earth ...

NASA and NOAA launch three satellites to monitor space weather, protecting vital technologies like GPS and power grids from solar storms.

About 4.6 billion years ago, our corner of space was basically just a boring cloud of gas and dust floating […] ...

In this curious film, a pair of friends venture out into the desert to build an accurate to scale model of our solar system.

My favorite planet, besides the one I live on, is on the rise in the low eastern Pottsville sky during evening twilight. It’s ...

My favorite planet, besides the one I live on, is on the rise in the low eastern sky during evening twilight. It’s Saturn and ...

Witness the first images of the September 2025 partial solar eclipse. The moon and sun put on a magnificent show on Sept. 21 ...

The sun is in its most active phase—solar summer—causing auroras and posing real risks to satellites, GPS, and power systems ...

A solar eclipse occurs when the moon positions itself between Earth and the sun, casting a shadow over Earth. We explore the ...

The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space ...