One key component might be RNA, a molecular cousin of DNA found in every form of life on Earth, and now scientists say they ...

Carl Sagan famously said that "We're all made of star stuff." But he didn't elaborate on how that actually happened. Yes, ...

Scientists have long believed that the Moon was formed by a massive object crashing into the Earth. But what was that thing that hit the Earth 4.5 billion years ago?

Today is one astronomers, stargazers and alien conspiracy theorists have been waiting for: interstellar comet 3I/ATLAS is as ...

One of the oldest unsolved riddles in planetary science concerns the origin of the moon. Over a century ago, George Darwin ...

Scientists accidentally create gold hydride under extreme pressure, revealing unexpected chemistry and insights into ...

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will in a matter of days come as close to our planet ...

The interstellar comet 3I/ATLAS is just days away from coming as close to Earth as it will ever get. Here's how you can track ...

A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth ...

Earth’s deep interior still shapes the world above your feet. Water trapped far below the surface helps control how rocks ...