Celery and Uncle Zucchini race. / Jet tests his experimental time machine. Celery competes against her brother, Uncle Zucchini, in an "Earthie-style race with a winner"! / Jet uses his Bortronian ...

One of the most important reasons we go to space is to know our own planet better. One of the most important reasons we go to space is to know our own planet better. Today I'm going to tell you about ...

The International Space Station is turning 25 this month. Twenty-five years of people from all over the world living together and working together in space. At the same time, it is starting to wrap up ...

Whether space-time exists should neither be controversial nor even conceptually challenging, given the definitions of “space-time,” “events” and “instants.” The idea that space-time exists is no more ...

The universe thrums with quantum fields; and the particles of matter and force emerge as vibrational manifestations of the deep symmetries of these fields. The layers and reflecti ...