- Aug 3, 2014More than four billion years ago, the surface of Earth was heavily reprocessed – or melted, mixed, and buried – as a result of giant asteroid impacts.
- Jul 21, 2014Because we live on the planet Earth, it's sometimes hard to gain some perspective about the visibility of life outside of our planet. An extraterrestrial spacecraft lurking in a satellite's orbit near Earth would be able to see city lights and pollution in our atmosphere.
- Jun 13, 2014A second look at the first rocky exoplanet ever discovered reveals a whole new world.
- Jun 9, 2014As life on Earth evolved, so did the number of minerals. This could mean that a planet with more minerals could support life.