Extreme heat, drought and dangerous fire weather are raising wildfire risks across the U.S. West heading into the July 4 weekend.
Why it matters: Millions of Americans celebrating Independence Day face fireworks restrictions as officials warn that a single spark could ignite fast-moving wildfires in areas already strained by extreme heat and drought.
What do you do when an aging but still perfectly good space telescope is slowly falling out of the sky? You give it a little nudge, of course.
That's what NASA is trying with its Swift Boost Mission, a $30 million gambit to save the Neil Gehrels Swift Observatory that launched early Friday from the Marshall Islands after several days of weather and technical delays.
