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

Experiments at high temperatures and pressures reveal chemistry that can generate water on the surface of exoplanets ...

In 1949, famed mathematician and physicist John von Neumann delivered a series of addresses at the University of Illinois, ...

Water isn't just delivered to planets by comets and asteroids — it can also be forged as worlds form, a new study finds.

As telescopes have become more powerful, it’s turned out our solar system is not the only game in town: There are millions of ...

Learn how exoplanets are discovered, what makes planets beyond our solar system unique, and how they drive the ongoing search ...

Astronomers say they spotted signs of a giant explosion releasing from a star beyond our solar system, one powerful enough to ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course. When ...

An international team of scientists confirmed the first record of a plasma ejection from a red dwarf star outside the solar ...

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to form in ...

There’s a bit of a paradox about our galaxy: it’s both jam-packed with stars and cavernously empty. The Milky Way is crowded in the sense that it holds hundreds of billions of stars, as well as ...