In a discovery that challenges our understanding of Earth's ancient history, researchers have found evidence suggesting that Earth may have had a ring system that formed around 466 million years ago, ...

About 4.5 billion years ago, the most momentous event in the history of Earth occurred: a huge celestial body called Theia collided with the young Earth. How the collision unfolded and what exactly ...

Scientists now believe such travelers arrive more often than once thought, and some may even strike our planet. A new study offers a closer look at where and when these interstellar objects could hit ...

We know very little about some parts of Earth's atmosphere. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Japanese scientists have created the ...

New research suggests that Theia, the object whose collision with Earth is theorized to have caused the formation of the moon, came from closer to the sun. Artist’s impression of the collision between ...

About 4.5 billion years ago, the most momentous event in the history of our planet occurred: a huge celestial body called Theia collided with the young Earth. How the collision unfolded and what ...

REx reveals asteroid Bennu contains life's building blocks, shedding light on Earth's origins and the potential for extraterrestrial life.

One of the chemicals considered essential to life on Earth may have originated in outer space, researchers have found. Nitrogen compounds, including ammonium salts, may have made their way to Earth ...

WASHINGTON — NASA is making progress on a multibillion-dollar series of Earth science missions amid uncertainty about their funding for the next year. In town hall sessions at the Fall Meeting of the ...

If you've ever wondered why we are here, then you can thank Jupiter for part of the answer. A new study from Rice University suggests that if it weren't for the gas giant, the Earth would have ...