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

The James Webb telescope has made another stunning discovery -- this time of a massive planet that could potentially sustain ...

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

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 ...

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

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

Now, a study from Caltech shows that the early Earth accreted from hot and dry materials, indicating that our planet's water -- the crucial component for the evolution of life -- must have arrived ...

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 ...

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?