In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that ...

For the first time in years, astronomers are seriously talking about adding a new member to the solar system’s planetary ...

By measuring iron isotopes in Moon rocks and meteorites, researchers determined Theia probably formed closer to the Sun than ...

A Rutgers researcher and collaborators have linked unusual geological anomalies to Earth’s molten origins and its unique habitability. For many years, researchers have struggled to understand two ...

Snapshots from six computer simulations illustrating the distinct tectonic regimes of terrestrial planets, including the newly discovered ...

About 4.5 billion years ago, a colossal impact between the young Earth and a mysterious planetary body called Theia changed everything—reshaping Earth, forming the Moon, and scattering clues across ...

The same team that recently discovered the possibly water-covered, life-supporting planet, Kepler 22b, two weeks ago announced the discovery of two more Earth-sized planets on Monday. Ars Technica's ...

Earth has picked up a new traveling companion – an asteroid named 2025 PN7 that now moves through space in step with us. This ...

Temperatures on the planet could make water theoretically possible. Astronomers are researching an Earth-like exoplanet that could contain water, according to NASA. The exoplanet, named TRAPPIST-1 e, ...

Earth's quasi-moons are not actually moons, but temporary asteroids that eventually leave Earth’s orbit JPL-Caltech/NASA A new "quasi-moon" named 2025 PN7 has been discovered, according to a ...