A rare kind of meteorite known as enstatite chondrite resembles Earth's composition roughly 4.5 billion years ago. The key to their counterargument resides in a rare type of space rock called ...

Humans have long imagined life on Mars, but what if the red planet actually delivered life to Earth in the first place?

Where did all the water come from? Water, water everywhere. It covers 70 percent of Earth’s surface and earns it the nickname “the blue planet.” And yet… where did it come from? How is it so abundant ...

As the Earth flies through space in its celestial dance around the sun, it's accompanied by its perpetual partner, the moon.

Geological evidence, including an Ordovician-era increase in earthquakes, tsunamis, meteorites, and crater formation, suggests a significant celestial event approximately 466 million years ago. A ...

An ancient asteroid older than Earth itself has reignited debate over whether life began in space. NASA's Bennu discovery ...