Our solar system is on the move, traveling at 828,000 km/h through a galactic structure most people don't know exists. This ...

The twin telescopes of the Gemini Observatory mark 25 years of discovery as students name distant nebula Ua ʻŌhiʻa Lan. The ...

Exoplanets, or planets which reside outside of the Solar System, can be wild and extremely unpredictable places. Now a planet ...

New high-contrast images from SPHERE show a stunning variety of debris disks shaped by collisions of tiny planet-building ...

Moon’s precursor planet, Theia, disappeared billions ago, leaving scientists no direct chemical evidence to support the hypothesis. Now a team of astromers in France, Germany and the United States ...

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.

For the first time, astronomers say they have spotted a giant explosion released by a star beyond our solar system. The eruption was similar in some ways to those unleashed by our sun, such as the ...

The outer planets of the solar system are swarmed by ice-wrapped moons. Some of these, such as Saturn's moon Enceladus, are known to have oceans of liquid water between the ice shell and the rocky ...

The mystery of the Earth and Moon’s similarity Early models of the Moon’s formation predicted that the Moon should mostly consist of Theia’s material. But scientists noticed a puzzle: Earth and the ...

Earth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial ...

Walking into a classroom today is like stepping into a parallel universe, because so many things that once sounded rock solid ...

People who practice self-compassion tend to be happier, more satisfied with their lives, and have stronger relationships.