The universe is supposed to look the same no matter where you stand. That idea, known as the cosmological principle, sits at ...

It's possibly as big as Manhattan, likely older than our own solar system, and it's traveling through space at speeds of up ...

Astronomers have revealed that the real center of our solar system isn't the sun. Gravity is playing a part in everything. The barycenter is the center.

“Our analysis shows that the solar system is moving more than three times faster than current models predict,” Böhme ...

Interstellar comet 3I/ATLAS is making headlines once again as it speeds away from the Sun on a trajectory that will see it ...

(CNN) — A newly discovered object speeding through our solar system is sparking excitement among astronomers because it’s not from around here. Believed to be a comet, the object is only the third ...

Long before Mercury, Venus, Earth, and Mars formed, it seems that the inner solar system may have harbored a number of super-Earths–planets larger than Earth but smaller than Neptune. If so, those ...

ESS2.C: The Roles of Water in Earth’s Surface Processes Water is found in the ocean, rivers, lakes, and ponds. Water exists as solid ice and in liquid form. ESS2.A: Earth Materials and Systems (3-5) ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. The size of the solar system is defined by the volume ...

Scientists from MIT and their colleagues have estimated the lifetime of the solar nebula — a key stage during which much of the solar system evolution took shape. This new estimate suggests that the ...

How fast and in which direction is our solar system moving through the universe? This seemingly simple question is one of the ...

Study from Bielefeld finds major departure from the standard model. How fast and in what direction is our solar system moving through space? This question, though simple in appearance, plays a central ...