Rocky planets like our Earth may be far more common than previously thought, according to new research published in the ...

TRAPPIST-1e, an Earth-sized world in the system’s habitable zone, is drawing scientific attention as researchers hunt for ...

Scientists have long believed that the Moon was formed by a massive object crashing into the Earth. But what was that thing ...

Webb’s latest observations reveal a hellish world cloaked in an unexpected atmosphere: TOI-561 b, an ultra-hot rocky planet ...

Right now, as a passenger on planet Earth, you’re zooming through space at incredible speeds. But why can't you feel it?

"We reported hints of methane, but the question is, 'is the methane attributable to molecules in the atmosphere of the planet ...

In this animated discussion, Venus, Mars, and Mercury explore the unique characteristics of Earth, focusing on why it is the ...

Deep inside Earth, researchers see signs that the solid inner core may be arranged in multiple chemical layers far below.

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

When the early Earth’s magma ocean crystallized 4.4 billion years ago, the deep mantle trapped an ocean’s worth of water, ...

Several sugars have been found on a sample of the asteroid Bennu, which may provide scientists with clues about our early ...