- ancient beaches on mars reveal red planet once had oceans
- astronomers discover the single largest structure in the universe
- new theory for origin of intelligent life says humanity is natural outcome
- odds of asteroid hitting earth in 2032 rise to highest level ever
- intelligent life may be more common than thought says new study
- asteroid 2024 yr4 now calculated to have near zero chance of hitting earth
- nasa looking for ways to destroy asteroid that could strike earth
- china’s experimental flying train edges closer to reality
- scientists find a way to look for ET life that doesn’t need elaborate equipment
- fastest star system ever seen may have been detected
