A team of scientists participating in a radio astronomy summer school had the unexpected opportunity to observe a recently discovered near-Earth asteroid as it zipped past our planet July 7. The ...

Add Yahoo as a preferred source to see more of our stories on Google. On January 10, 1946, the U.S. army bounced radar signals off of Earth's moon for the first time ever. Known as "Project Diana," ...

Radar astronomy is a research area that uses active radar techniques to investigate solar system bodies and near-Earth space by transmitting radio waves and analyzing their echoes from planetary ...

Meteorite debris from a Houston fireball was detected on weather radar. Learn how radar tracks falling meteorites after a meteor breaks apart.

Astronomers have captured stunning new high-resolution radar images of the Moon, using an experimental instrument on a ground telescope. This proof of concept test paves the way for a more powerful ...

They are the celestial equivalent of sonograms. But their hazy outlines and ghostly features do not document the in-vivo development of a future taxpayer. Instead, they chronicle the exo-planetary ...

NASA’s Perseverance rover has detected a buried ancient river delta beneath the surface of Mars’s Jezero Crater using ...