Satellites have captured amazing views views of these craters on Earth. ESA explains. Nördlinger Ries, Ouarkziz Crater, Tenoumer Crater, Gosses Bluff, Siljan Ring, Roter Kamm, Manicouagan Crater, ...

"Without Mars, Earth's orbit would be missing major climate cycles. What would humans and other animals even look like if ...

This unusual crater on Mars resembles a butterfly, but its shape tells a story of a shallow impact, melted ice, and ancient volcanic forces.

A recent photo from NASA's Curiosity rover gives an idea of what Mars would look like under skies that resemble our own on ...

The asteroid that struck the Earth 66 million years ago devastated life across the planet, wiping out the dinosaurs and other organisms in a hail of fire and catastrophic climate change. But new ...

The first material ever collected from the far side of the Moon could help settle a long-held lunar mystery. According to a ...

The idea of an asteroid hitting Earth can be a scary one, but it can be pretty hard to comprehend just how scary such an impact might potentially be. To put things in context, many people who have ...

The reservoir seen in this image is sometimes referred to as the "eye of Quebec." ...

NASA Curiosity rover, which launched from Florida in 2011, captured panoramic image of Mars that resembles a sunset on Earth.

The comet was discovered in its final stage before impact. As luck would have it, NASA had a probe on its way to Jupiter, ...

Our planet has experienced dramatic climate shifts throughout its history, oscillating between freezing "icehouse" periods ...