Our Solar System has eight planets, a few dwarf planets and more than 200 moons. But wait. Are you seeing double? Or did ...

Astronomers have uncovered evidence of a bizarre, potentially historic discovery: the first moon ever detected beyond our ...

Known as the giant-impact hypothesis, this proposed event involves a collision between Earth and a hypothetical Mars-sized protoplanet astronomers call Theia.

Most scientists think that Earth and Mars took shape this way from rocky pieces swirling around the young sun around 4.5 ...

AM on October 20, 2026, the H3 rocket Flight 10 was launched from the Tanegashima Space Center in Kagoshima Prefecture. On ...

A sliver of iron thinner than a human hair was squeezed to deep-Earth pressures between the tips of diamond anvils, then ...

Tiny samples from asteroid Bennu are rewriting scientists' understanding of how our Solar System formed. New evidence suggests that Bennu was born where material from the inner and outer Solar System ...

California's new Plug and Play Solar Act allows renters and homeowners to easily generate their own electricity with small, ...

Remember school days in the 1970s? From metal lunch boxes to handwritten report cards, revisit 12 school routines kids rarely ...

The Milky Way is home to hundreds of billions of stars arranged in a glorious spiral pattern. But beyond the obvious spiral, ...

The Pluto-space lodger, formed by two fused massesPrevious Episode RecapIn the previous story, we approached the secrets of ...

Where did it start? How did it grow complex? Why did it get big? Three moments in Earth’s early history when evolution ...