Scientists found two Earth-sized planets and a third candidate orbiting a nearby double star system, TOI-2267.

Did NASA find another Earth? Scientists look to the sky to find a copy of our planet, and some experts think they may have ...

Earth is home, but it’s also full of surprises. Some of these facts might make you stop and say, “Wait, is that true?” Let’s ...

Using NASA's planet-hunting spacecraft TESS (Transiting Exoplanet Survey Satellite), astronomers have discovered three ...

Researchers have discovered chemical fingerprints of Earth's earliest incarnation, preserved in ancient mantle rocks. A ...

A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three ...

Contrary to online rumors, Earth still only has one true moon, but astronomers have discovered a so-called 'quasi-moon.' Here ...

Earth still only has one true natural satellite — our 2,159-mile-wide moon oribiting about 239,000 miles away. However, ...

The reason people might think Earth has a second moon is due to a celestial body named 2025 PN7 that was spotted in August by ...

About 50 light-years from Earth, a gas giant about half the mass of Jupiter orbits a sunlike star. The discovery of Pegasi 51 b ushered in a new era of exoplanet research.

Scientists have found that ancient horsetail plants change water chemistry in surprising ways, offering new clues about Earth ...

This shift in Earth’s tectonic tempo had profound implications above ground. With less volcanic carbon dioxide heating the ...