Space has a knack for bending our sense of scale. The Moon feels close enough to touch—after all, we see its craters with ...

Astronomers measure the speed at which the solar system is hurtling through space by mapping surrounding galaxies and ...

Searching for life on other planets requires more than just measuring their distances from their stars. A future NASA ...

Scientists traced the Moon's parent planet Theia to the inner Solar System, solving a 4.5-billion-year mystery.

Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of ...

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 ...

Theia, the world that helped form the Moon, came from the Solar System. Chemical clues in Earth and Moon rocks reveal this ...

A tiny meteorite is rewriting what scientists thought they knew about the origins of our solar system. New evidence found in shavings from a meteorite known as Northwest Africa 12264 — a 50-gram (1.8 ...

Scientists have recently focused their telescopes on a mysterious planet drifting through space, a discovery that has captured the imagination of astronomers worldwide. This Jupiter-like wanderer, ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. After decades of ...

October is Space Month. At Duke University, space research is more than just science — it's a bold journey across disciplines. This is the third in a series of stories featuring innovators, dreamers, ...