Planets, like those in our solar system, form in a bottom-up process where small bits of rock and ice clump together and grow larger over time. But the heftier the planet, the harder it is to explain ...

The science fiction blockbuster wowed audiences with its depiction of space travel and more. Here's what NASA staff and other ...

"Apollo happened before I was born, and the idea that we will see humans on the moon within our lifetimes, with decades of ...

One of the crew say they have seen "sights that no human has ever seen" after travelling beyond the far side of the Moon.

The world has tracked the journey of NASA’s Artemis II mission for five days. The four astronauts have launched into space, ...

As they traveled back toward Earth following a solar eclipse and a communications blackout, President Trump called the space ...

A new analysis of meteorite isotopes challenges long-held ideas about Earth’s origins, suggesting our planet may have formed ...

Exoplanet L98-59d, located far beyond our solar system, might not sound like someone’s dream destination. It likely has an underground ocean of magma, a surface temperature that reaches around 3,500 ...

The magma planet, based on its radius and mass, falls between the sizes of Earth and Neptune, which are a mysterious class of exoplanets, according to Dr. Harrison Nicholls, the lead author of a new ...

Tiny life forms tucked into debris from an asteroid hit could catapult to other planets—including Earth—and survive, a new Johns Hopkins University study finds. The work demonstrates that a certain ...

The standard story of the origin of our solar system has gone like this: 4.6 billion years ago, a giant cloud of dust hung frozen in space. Then the explosion of a nearby star caused part of that dust ...

Step outside just after sunset and you may catch an unusual sight: six planets strung across the sky in a gentle arc. The phenomenon—often dubbed a “planetary parade”—isn’t a cosmic spectacle in the ...