By the end of the century, a shrinking atmosphere could create a minefield for satellites, like those deployed by SpaceX's Starlink.

Don't stuff all your decluttering goals into one terrible weekend. Instead, you can break it down, spread it out, and make it easy with these clever home tips.

SPHEREx hopes to solve some of the universe's biggest mysteries, while PUNCH will study the sun’s outer atmosphere, the corona. Here's what to know.