For every rule in the cosmos, there is a spectacular exception. While most planets orbit in a neat plane, Pluto tumbles at a ...

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

Westfield High School senior Kaitlynn Goulette and freshman Krystyna Goulette have developed a walkable, scale model of the ...

Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of Earth’s mantle and ejecting a huge debris disk that later formed the moon.

YouTuber "The 5439 Workshop" has built a solar system coffee table with a miniature, mechanically-exploding star system.

Conventionally, the moon is thought to have formed during one big impact, but a three-impact model might make more sense ...

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

After decades of searching, astronomers may have finally stumbled upon the first moon known to exist beyond our solar ...

An international team has made a significant breakthrough in understanding the tectonic evolution of terrestrial planets.

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

Like a toddler right before naptime, TRAPPIST-1 is a small yet moody star. This little star, which sits in the constellation ...

SQUIRE aims to detect exotic spin-dependent interactions using quantum sensors deployed in space, where speed and ...