New Study Reveals Earth Once Had Green Oceans for Billions of Years Imagine a world where the vast oceans glimmered not in ...

For now, life thrives on our oxygen-rich planet. But Earth’s atmosphere won’t always be so welcoming. In fact, scientists ...

Milky Way photography can yield some stunning shots from here on Earth. But what if you had a vantage point at some 400km ...

Explore the fascinating evolution of Mars atmosphere. Discover how it transformed, becoming trapped in its crust's clay ...

NASA's EZIE will study auroral electrojets, powerful electrical currents in Earth's atmosphere. This will improve space ...

Glaciers once inched toward the sea, gouging rocks. When the ice masses melted, they infused oceans with nutrients that may ...

An asteroid between about 130 and 300 ft. (40 and 90 meters) in diameter has been given a 2.3% chance of it hitting Earth on ...

A supernova explosion about 2.5 million years ago sent cosmic rays to Earth. Around that time, virus diversity in Lake ...

YR4: NASA confirms asteroid 2024 YR4 has a 3.1% chance of colliding with Earth on December 22, 2032, potentially causing ...

New observations of a small asteroid discovered in December have led astronomers to conclude that the chances of it striking Earth are almost zero, after earlier data had indicated a higher risk of a ...