Ember Flash Aerospace, a small Santa Cruz County startup, is a semifinalist in the global XPRIZE Wildfire competition.

Boom Supersonic's Overture aims to revive fast air travel with Mach 1.7 speed, sustainable tech, and major airline backing. Here’s everything we know.

SIX MONTHS IN: Welcome to the six-month mark of President Donald Trump’s second term.

In the vacuum of space, where temperatures can plunge to minus 455 degrees Fahrenheit, it might seem like keeping things cold ...