Planet Nine should appear stationary over the course of a single day but show detectable movement over months.

Water, by P.S. Whatever First book in the series Recommended for ages 8-12 Dive to depths you’ve never encountered before in ...

The workshop is suitable for children over the age of 7, and will be held on July 24, July 30, August 7, August 14, August 21 ...

PHENIX at RHIC has released first data from gold-ion collisions, validating detector performance and setting the stage to explore the quark–gluon plasma, a state of matter from the early universe ...