Larger vehicles, increased traffic, and climate change are putting pressure on America’s aging infrastructure. How did things get so dire?
In 2031, the International Space Station will join the Mir station and other orbiters in the ocean’s “spacecraft cemetery.”
This may be the first time space junk will collide with the moon.
Internet satellites are interfering with astronomical research—and the problem is only getting worse.
After weeks of travel, the James Webb Space Telescope moved into its final orbit this week. Here’s what’s next for the historic observatory.