Q. The photo attached shows a trouble spot in my St. Augustine grass. Three years ago, the grass in that area was thick and green. I've treated for grub worms and other pest problems, and nothing has ...

A Rochester Institute of Technology astrophysicist is part of a team of scientists using the Hubble Space Telescope to study how the changing patterns of shadows cast on the dusty disks orbiting young ...

Students review the stick's shadow pattern. Students are asked to use a model to figure out where the Sun was in the sky to create the shadow pattern they observed. ----- Transcript: In the ...