Hera and its two cubesats arrived at their launch site in Florida in early September following a transatlantic flight from Germany, with a stop in Ireland. The mission's launch window opens on Oct. 7 ...

Iron is a micronutrient indispensable for life, enabling processes such as respiration, photosynthesis, and DNA synthesis.

Lavas from hotspots - -whether erupting in Hawaii, Samoa or Iceland -- likely originate from a worldwide, uniform reservoir in Earth's mantle, according to an evaluation of volcanic hotspots.

A new study offers the most detailed glimpse yet into how Earth's surface temperature has changed over the past 485 million years. The data show that Earth has been and can be warmer than today -- but ...

"There's very strong evidence that the ingredients for life exist on Europa, but we have to go there to find out." ...

At times during the past half-billion years, carbon dioxide warmed our planet more than previously thought, according to a ...

A new study co-led by the Smithsonian and the University of Arizona offers the most detailed glimpse yet of how Earth's ...

Researchers show the average surface temperature on our planet has shifted between 51.8 to 96.8 degrees Fahrenheit ...

A timeline of 485 million years of Earth’s surface temperatures shows ancient greenhouse conditions were hotter than scientists thought.

A ring could explain a mysterious arrangement of impact craters near the equator and might even have caused an ice age, ...

Evidence suggests Earth had a ring system 466 million years ago, causing a surge in meteorite impacts and possibly ...

How is it possible for the ISS to stay in orbit? Learn more about the science behind orbiting Earth and more in this NASA ...