Thousands of satellites are being launched into space at low Earth orbit, joining hundreds of thousands of pieces of space ...

A rock and a hard place ...

A new listing of the 50 most concerning pieces of space debris in low-Earth orbit is dominated by relics more than a quarter-century old, primarily dead rockets left to hurtle through space at the end ...

Low Earth orbit is already getting crowded. Around 14,500 active satellites are circling Earth, and roughly two-thirds of them are run by SpaceX. Now, in filings connected to Elon Musk’s plan to fold ...

From monitoring Mercury to launching a new adventure to an icy moon of Jupiter, spacecraft and astronauts made great strides in 2024. Here are some of the highlights of this year in space. The moon ...

Every six months, the equinox splits Earth's day almost in half. Here's how it happens—and why people have celebrated it ...