As the sun grew hotter, so did Mars, prompting much of its atmospheric carbon dioxide to rain out and ultimately get locked ...

New research shows how Mars may have undone its own habitability, while Earth stayed stable enough to support life.

Wave-like landforms on Mars provide clues about the planet’s icy history, its potential to support life, and the behavior of ...

They're in the headlines every week—critical minerals like lithium, cobalt, nickel, graphite and the rare earth elements ...

Your blood is also red because of a mixture of iron and oxygen in a molecule called hemoglobin. So in a way, the ancient ...

Discover why Antarctica no longer has lush forests with giant ferns and how ancient fires fueled intense volcanic activity.

New images from the European Space Agency’s Biomass mission show how the satellite uses advanced radar to map flows of carbon through our planet’s most precious and remote ecosystems ...

Sheel and his team found that when the atmosphere of Mars is laden with dust, the atmosphere becomes less conductive, ...

In 1978, renowned ecologist Dan Janzen jumped into a ravine in Costa Rica, broke three ribs, and spent the first month of the ...

For years, scientists have puzzled over why Earth and Mars are missing certain key elements. Now, a fresh study suggests ...

Science is under attack throughout the world. Meanwhile, there’s substantial scientific evidence that the planetary system is ...

Mars may be more like Earth than previously thought, despite having a thinner atmosphere and a dry, dusty surface.