Astronomers watched water clouds grow thicker and thinner on a world trillions of miles away. It's familiar weather in a ...

As far-fetched as it may seem, quirks of orbital mechanics could allow hundreds of planets to be packed around a star ...

Scientists believe there are planets outside our solar system where life is even more abundant and sustainable.

Concerns about passing 1.5C and ‘global dimming’ are driving attention to the prospect of large-scale interventions in Earth ...

NASA’s Voyager 1 spacecraft has been breaking distance records for decades. Launched almost 50 years ago, it became the ...

Imagine if the planet Jupiter orbited much closer to the Sun. What effect would a so-called hot Jupiter have on our Solar ...

Scientists did not arrive at Earth’s age from one clue. Several very different measurements keep pointing toward the same ...

Star Wars-like planet of Earth’s size can actually support life - Study finds stable planet orbits are possible in the ...

The 6,000-year claim faces evidence from several places that have little to do with one another. What those independent ...

The long story of the solar system hidden in small rocks arriving from space—Water falls on rainy days, and snow falls on ...

In 2022, a Sun-observing probe flew through an S-shaped stream of charged particles pouring out of the star. These mysterious ...

A planet with the same mass as Earth approaches near the Moon's orbit.If such an event were to occur, what would happen to ...