Using the Transiting Exoplanet Survey Satellite (TESS) and High Accuracy Radial velocity Planet Searcher for the Northern ...

Deep within Earth’s mantle lie two enormous regions, often referred to as "islands," which are the size of continents.

Thousands of planets have been discovered orbiting distant stars, but only a small fraction appear potentially habitable. Scientists evaluate these worlds based on factors such as size, temperature, ...

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 ...

Astronomers have recently identified a near-Earth asteroid that had been hidden in the sun’s glare, marking a significant advancement in planetary defense. This discovery is crucial as the asteroid is ...

You may have heard a lot of online chatter about Earth's two moons recently, but that doesn't quite get the discovery right. Earth still only has one true natural satellite — our 2,159-mile-wide moon ...

For decades, many scientists believed that most of the water in our planet came from space, transported by meteorites and comets during the first moments of ...

NASA's planet-hunting mission, the Kepler Space Telescope, has just discovered Kepler-452b, a planet that scientists are calling "Earth 2.0." Scientists said in a press conference Thursday that they ...

As of late 2025, NASA had confirmed the existence of a temporary second moon that would remain in orbit next to Earth until 2083. Astronomers discovered a "quasi-satellite" of Earth, also known as a ...

A strange phenomenon thought to only exist near the Sun has been detected in Earth's magnetic field for the first time. The discovery could help scientists forecast the impact of geomagnetic storms ...

As part of the agency's efforts to enable broader use of space, NASA has released its final goals and objectives for low Earth orbit, defining the long-term approach toward advancing microgravity ...