ScienceDaily: Space & Time News

New research finds that the target asteroid of NASA's Psyche mission may not be as metallic or dense as previously predicted, hinting that it might not be an exposed planetary core after all.

New research used a system for monitoring nuclear tests to track the infrasound from 1,001 rocket launches, identifying the distinctive sounds from seven different types of rockets. In some cases, like the Space Shuttle and the Falcon 9, the researchers were also able to identify the various stages of the rockets' journey.

The large radio telescope CHIME has detected more than 500 mysterious fast radio bursts in its first year of operation, MIT researchers report. The observations quadruple the number of known radio bursts and reveal two types of FRBs: one-offs and repeaters.