Researchers studying decades of earthquake data say they have found the first evidence that, in addition to spinning backward ...

The Planetary Society website explained that the comet ... "In its favor is the fact that its orbital path suggests that it visited the inner solar system about 160,000 years ago, so it may ...

The scientists have discovered the existence of a multi-planetary system made up of a Hot Jupiter, an inner Super-Earth (even closer to the star than the hot Jupiter) and an outer massive giant ...

"An asteroid this size impacts Earth on average every few thousand years and could cause severe damage to a local region," ...

For decades, planetary scientists suspected that the solid inner core deformed over time as it spun. Now, researchers have found the first evidence of changes taking place over the past 20 years ...