Scientists have proposed Earth is in the middle of a huge void in space, potentially resolving the cosmic mystery known as ...

"This discovery heralds a broader understanding of the diversity in massive stars' deaths and a need for deeper investigations into the whole landscape of stellar evolution." ...

The inner core exhibits some puzzling qualities. Separated from the rest of Earth by the fluid outer core, it can wobble and rotate.

Initially, the temperature cools as the cage leaves the earth’s surface. But after a few thousand feet, the heat rises as we approach the Earth’s core.

In our analysis this week, we look at how NASA's proposed budget would slash the agency's science division by nearly 50%.