Planetary scientists have long debated where the material that formed Earth comes from. Despite its location in the inner ...

A new NASA spacecraft has started tracking the particle streams that can make a massive solar flare dangerous while mapping ...

Our solar system is a smashing success. A new study suggests that from its earliest period — even before the last of its nebular gas had been consumed — Earth’s solar system and its planets looked ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration showing Planet Nine, a hypothetical, undiscovered planet in our solar system. New research now suggests the ...

Illustration comparing the planets of the Solar System and the Sun on the same scale. The planets are shown to scale relative to each other but their distances are not. From left to right the bodies ...

The sun, our nearest star, never stops breathing. Every second of every day, it exhales a vast stream of charged particles ...

The interstellar comet 3I/ATLAS was the third object ever discovered in our solar system that originated from another star system. Despite a viral conspiracy theory, NASA officials have repeatedly ...

We take a look at the best (and worst) places to ski in the solar system, logistics aside. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Smithsonian researchers analyzed fragments of the near-Earth asteroid and discovered water-rich clays that hint at a distant origin Jack Tamisiea A view of the outside of the OSIRIS-REx sample ...

While its star projector leaves a lot to be desired, the Science Can Solar System Planetary Projector is a fantastic educational tool for kids, with its solar system model, complete with talking ...

Nearly all of the planets in the solar system are about to march through the night sky in a single-file line. This planetary alignment, sometimes called a planet parade, will include all of the solar ...