A Mars-size object called Theia smashed into Earth, and the debris coalesced into the moon. Now scientists believe they may have identified pieces of Theia at the bottom of Earth’s mantle. A new study ...

The cold and remote planets originally earned their label of "ice giants" to contrast their interiors from those of Jupiter ...

Astronomers have used the James Webb Space Telescope (JWST) to discover that a distant "hot Jupiter" planet has two ...

The next Met Gala co-chairs have been announced, and it's a high-powered quartet: Beyoncé, Venus Williams and Nicole Kidman ...

Earth's climate has swung between ice ages and warmer periods for millions of years, driven by subtle changes in our planet's ...

Uranus and Neptune may not be the icy worlds we’ve long imagined. A new Swiss-led study uses innovative hybrid modeling to ...

Three of the most celebrated women in film, music, and sports will co-chair the event with Anna Wintour. Plus, what’s up with ...

Revisiting old data from Voyager 2, scientists have worked out how a dense, shocked region of the solar wind could have ...

Beyoncé is returning to the Met Gala. After having last appeared at the New York City ball a decade ago, the music superstar ...

Space is inaccessible to the vast majority of us, but it’s not as far away as you might think. The von Kármán Line, which is ...