Harvard Museums of Science and Culture will host these two STEM events:

• Colliding Worlds: How Cosmic Encounters Shaped Planets and Life: April 28, 6PM-7PM, online or in-person. Physicist Simone Marchi will discuss his recent book, Colliding Worlds and the key role that collisions in space have played in the formation and evolution of our solar system, the development of planets, and possibly even the origin of life on Earth. Registration is required for online or (limited) in-person attendance.
• After-School Encounters — Ancient Ancestors: May 4, 4PM-4:45PM online, for entire family. Registration is required.