Astronomers have identified a frozen, Earth-sized world circling a nearby sunlike star, a find that sharpens the search for ...

Kosmos 482 is 3.2 feet across and could make impact at about 150 mph, per one expert Toria Sheffield joined the PEOPLE editorial staff in 2024. Her work as a writer/editor has previously appeared in ...

What can Earth-sized exoplanets teach scientists about the formation and evolution of exoplanets throughout the cosmos? This is what a study recently posted to the arXiv preprint server hopes to ...

For more than sixty years, a tiny asteroid has been moving in step with Earth, hidden from view until recently. Astronomers now confirm that this small body, named 2025 PN7, is traveling in a special ...

Learn about HD 137010 b, a cold Earth‑sized planet candidate that sits near the outer edge of its star’s habitable zone.

Earth will have a visitor within its orbit for the next several decades, according to astronomers. An asteroid named 2025 PN7 has become a "quasi-moon" to Earth, as it will be sharing an orbit with ...

A NASA mission has spotted an Earth-size exoplanet orbiting a small star about 100 light-years away. The planet, named TOI 700 e, is likely rocky and 95% the size of our world. The celestial body is ...

CINCINNATI (WKRC/NASA/CBS Newspath) - Astronomers using NASA's James Webb Space Telescope have discovered compelling evidence of a giant planet orbiting Alpha Centauri A, the closest Sun-like star to ...