Our planet has been asteroid-smashed, melted and eroded, enough that most of its original armor has been long buried. Except ...

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.

Earth is the only planet known to support life. Learn about what Earth is made of and where it came from. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

Planet Earth 'It's like trying to grow a tree in an oven': ... Of course, that lack of rain means deserts are, famously, dry. But why do some places on Earth get much less rain than others?

Earth Without Oceans: A Planet Left Dry. Posted: April 17, 2025 | Last updated: April 17, 2025. Uncover the dramatic environmental and geological transformations that would occur if Earth's oceans ...

Earth, Mars and Venus all looked pretty similar when they first formed. Today, Mars is dry, cold, and dusty; Venus has a hot, crushing atmosphere. Why did these sibling planets turn out so different?

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

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

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

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