Interstellar Comet 3I/ATLAS makes its closest Earth pass early on Dec. 19. Here's what astronomers know about its origin and ...

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

Today, oceans cover about 70% of Earth’s surface. This stark contrast has long driven scientific interest in how water ...

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

The interstellar comet 3I/ATLAS makes its closest approach to Earth early Friday. Scientists have tracked the object since ...

Researchers recreated conditions from billions of years ago and found that Earth’s young atmosphere could make key molecules linked to life. These sulfur-rich compounds, including certain amino acids, ...

Scientists have discovered that complex life began evolving much earlier than traditional models suggested. Using an expanded ...

The interstellar comet 3I/ATLAS is reportedly scheduled to make its closest approach to Earth in the early hours on Friday, ...

Some 4.6 billion years ago, Earth was nothing like the gentle blue planet we know today. Frequent and violent celestial impacts churned its surface and interior into a seething ocean of magma—an ...

Earth's deep mantle stored enough water in rocks to equal one ocean during our planet's early molten days, helping explain ...

The new dataset, published in Earth System Science Data by 16 scientists, shows a significantly cooler Earth from the late ...

NASA’s DiskSat launched into low Earth orbit early Thursday morning from the company’s Launch Complex 2 on Wallops Island, ...