Telltale Clues: Solar System Impact Bombardment

Howardites and eucrites are meteorite classifications, both of which are providing surprising clues to solar system-wide impact bombardment billions of years ago. New research unveils an unexpected link between asteroid Vesta and the Moon, providing new means for...

Planck Mission Finds Universe a Bit Older, Still Mysterious

The European Space Agency’s Planck mission is revealing new details about the early universe, prompting scientists to revise estimates for the age, makeup, material consistency and expansion of the cosmos following the Big Bang. The European space telescope was...

SPACECAST: Space Weather System for Protecting Satellites

An international effort including Europe, the United States and Japan is focused on protecting the global satellite network from Sun-driven space weather. Satellites can be damaged by high energy charged particles in the Earth’s radiation belts, and during solar...