There is very little doubt that Earth is getting warmer, and that this warming is a result of human-driven gases in the atmosphere that store heat and redirect it toward our planet's surface. And ...

The idea of water flowing on the surface of Mars went out with the early 20th century astronomer Percival Lowell, who swore up and down — and incorrectly — that he could see canals on the Red Planet.

Despite the ravages of climate change, Earth is still a veritable garden compared to Venus: a hellworld whose surface simply cannot host any recognizable liquid water. Yet scientists know that Venus ...

Ask which planet in the solar system is Earth's closest sibling, and many people might point to Mars. It orbits nearby, just a little farther from the Sun. It was born at the same time and with the ...

The Science of Siblings is a series exploring the ways our siblings can influence us, from our money and our mental health all the way down to our very molecules. We'll be sharing these stories over ...

Recent simulations and research have unveiled a fascinating new insight into the history of the solar system’s terrestrial planets. For years, scientists speculated about how the rocky planets—Earth, ...